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Henry's force has been variously estimated at between 5,000 and 8,000 men, his original landing force of exiles and mercenaries having been augmented by the recruits gathered in Wales and the English border counties (in the latter area probably mustered chiefly by the Talbot interest), and by deserters from Richard's army. Historian John Mackie believes that 1,800 French mercenaries, led by Philibert de Chandée, formed the core of Henry's army. John Mair, writing thirty-five years after the battle, claimed that this force contained a significant Scottish component, and this claim is accepted by some modern writers, but Mackie argues that the French would not have released their elite Scottish knights and archers, and concludes that there were probably few Scottish troops in the army, although he accepts the presence of captains like Bernard Stewart, Lord of Aubigny. In their interpretations of the vague mentions of the battle in the old text, historians placed areas near the foot of Ambion Hill as likely regions where the two armies clashed, and thought up possible scenarios of the engagement. In their recreations of the battle, Henry started by moving his army towards Ambion Hill where Richard and his men stood. As Henry's army advanced past the marsh at the southwestern foot of the hill, Richard sent a message to Stanley, threatening to execute his son, Lord Strange, if Stanley did not join the attack on Henry immediately. Stanley replied that he had other sons. Incensed, Richard gave the order to behead Strange but his officers temporised, saying that battle was imminent, and it would be more convenient to carry out the execution afterwards. Henry had also sent messengers to Stanley asking him to declare his allegiance. The reply was evasive—the Stanleys would "naturally" come, after Henry had given orders to his army and arranged them for battle. Henry had no choice but to confront Richard's forces alone.
Well aware of his own military inexperience, Henry handed command of his army to Oxford and retired to the rear with his bodyguards. Oxford, seeing the vast line of Richard's army strung along the ridgeline, decided to keep his men together instead of splitting them into the traditional three battles: vanguard, centre, and rearguard. He ordered the troops to stray no further than from their banners, fearing that they would become enveloped. Individual groups clumped together, forming a single large mass flanked by horsemen on the wings. The Lancastrians were harassed by Richard's cannon as they manoeuvred around the marsh, seeking firmer ground. Once Oxford and his men were clear of the marsh, Norfolk's battle and several contingents of Richard's group, under the command of Sir Robert Brackenbury, started to advance. Hails of arrows showered both sides as they closed. Oxford's men proved the steadier in the ensuing hand-to-hand combat; they held their ground and several of Norfolk's men fled the field. Norfolk lost one of his senior officers, Walter Devereux, in this early clash.
Recognising that his force was at a disadvantage, Richard signalled for Northumberland to assist but Northumberland's group showed no signs of movement. Historians, such as Horrox and Pugh, believe Northumberland chose not to aid his king for personal reasons. Ross doubts the aspersions cast on Northumberland's loyalty, suggesting instead that Ambion Hill's narrow ridge hindered him from joining the battle. The earl would have had to either go through his allies or execute a wide flanking move—near impossible to perform given the standard of drill at the time—to engage Oxford's men. At this juncture Richard saw Henry at some distance behind his main force. Seeing this, Richard decided to end the fight quickly by killing the enemy commander. He led a charge of mounted men around the melee and tore into Henry's group; several accounts state that Richard's force numbered 800–1000 knights, but Ross says it was more likely that Richard was accompanied only by his household men and closest friends. Richard killed Henry's standard-bearer Sir William Brandon in the initial charge and unhorsed burly John Cheyne, Edward IV's former standard-bearer, with a blow to the head from his broken lance. French mercenaries in Henry's retinue related how the attack had caught them off guard and that Henry sought protection by dismounting and concealing himself among them to present less of a target. Henry made no attempt to engage in combat himself.
Oxford had left a small reserve of pike-equipped men with Henry. They slowed the pace of Richard's mounted charge, and bought Tudor some critical time. The remainder of Henry's bodyguards surrounded their master, and succeeded in keeping him away from the Yorkist king. Meanwhile, seeing Richard embroiled with Henry's men and separated from his main force, William Stanley made his move and rode to the aid of Henry. Now outnumbered, Richard's group was surrounded and gradually pressed back. Richard's force was driven several hundred yards away from Tudor, near to the edge of a marsh, into which the king's horse toppled. Richard, now unhorsed, gathered himself and rallied his dwindling followers, supposedly refusing to retreat: "God forbid that I retreat one step. I will either win the battle as a king, or die as one." In the fighting Richard's banner man—Sir Percival Thirlwall—lost his legs, but held the Yorkist banner aloft until he was killed. It is likely that James Harrington also died in the charge. The king's trusted advisor Richard Ratcliffe was also slain.
Polydore Vergil, Henry Tudor's official historian, recorded that "King Richard, alone, was killed fighting manfully in the thickest press of his enemies". Richard had come within a sword's length of Henry Tudor before being surrounded by William Stanley's men and killed. The Burgundian chronicler Jean Molinet says that a Welshman struck the death-blow with a halberd while Richard's horse was stuck in the marshy ground. It was said that the blows were so violent that the king's helmet was driven into his skull. The contemporary Welsh poet Guto'r Glyn implies the leading Welsh Lancastrian Rhys ap Thomas, or one of his men, killed the king, writing that he ("Killed the boar, shaved his head"). Analysis of King Richard's skeletal remains found 11 wounds, nine of them to the head; a blade consistent with a halberd had sliced off part of the rear of Richard's skull, suggesting he had lost his helmet. Richard's forces disintegrated as news of his death spread. Northumberland and his men fled north on seeing the king's fate, and Norfolk was killed by the knight Sir John Savage in single combat according to the Ballad of Lady Bessy.
After the battle. Although he claimed fourth-generation maternal Lancastrian descendancy, Henry seized the crown by right of conquest. After the battle, Richard's circlet is said to have been found and brought to Henry, who was proclaimed king at the top of Crown Hill, near the village of Stoke Golding. According to Vergil, Henry's official historian, Lord Stanley found the circlet. Historians Stanley Chrimes and Sydney Anglo dismiss the legend of the circlet's finding in a hawthorn bush; none of the contemporary sources reported such an event. Ross, however, does not ignore the legend. He argues that the hawthorn bush would not be part of Henry's coat of arms if it did not have a strong relationship to his ascendance. Baldwin points out that a hawthorn bush motif was already used by the House of Lancaster, and Henry merely added the crown. In Vergil's chronicle, 100 of Henry's men, compared to 1,000 of Richard's, died in this battle—a ratio Chrimes believes to be an exaggeration. The bodies of the fallen were brought to St James Church at Dadlington for burial. However, Henry denied any immediate rest for Richard; instead the last Yorkist king's corpse was stripped naked and strapped across a horse. His body was brought to Leicester and openly exhibited to prove that he was dead. Early accounts suggest that this was in the major Lancastrian collegiate foundation, the Church of the Annunciation of Our Lady of the Newarke. After two days, the corpse was interred in a plain tomb, within the church of the Greyfriars. The church was demolished following the friary's dissolution in 1538, and the location of Richard's tomb was long uncertain.
On 12 September 2012, archaeologists announced the discovery of a buried skeleton with spinal abnormalities and head injuries under a car park in Leicester, and their suspicions that it was Richard III. On 4 February 2013, it was announced that DNA testing had convinced Leicester University scientists and researchers "beyond reasonable doubt" that the remains were those of King Richard. On 26 March 2015, these remains were ceremonially buried in Leicester Cathedral. Richard's tomb was unveiled on the following day. Henry dismissed the mercenaries in his force, retaining only a small core of local soldiers to form a "Yeomen of his Garde", and proceeded to establish his rule of England. Parliament reversed his attainder and recorded Richard's kingship as illegal, although the Yorkist king's reign remained officially in the annals of England history. The proclamation of Edward IV's children as illegitimate was also reversed, restoring Elizabeth's status to a royal princess. The marriage of Elizabeth, the heiress to the House of York, to Henry, the master of the House of Lancaster, marked the end of the feud between the two houses and the start of the Tudor dynasty. The royal matrimony, however, was delayed until Henry was crowned king and had established his claim on the throne firmly enough to preclude that of Elizabeth and her kin. Henry further convinced Parliament to backdate his reign to the day before the battle, enabling him retrospectively to declare as traitors those who had fought against him at Bosworth Field. Northumberland, who had remained inactive during the battle, was imprisoned but later released and reinstated to pacify the north in Henry's name. Henry proved prepared to accept those who submitted to him regardless of their former allegiances.
Of his supporters, Henry rewarded the Stanleys the most generously. Aside from making William his chamberlain, he bestowed the earldom of Derby upon Lord Stanley along with grants and offices in other estates. Henry rewarded Oxford by restoring to him the lands and titles confiscated by the Yorkists and appointing him as Constable of the Tower and admiral of England, Ireland, and Aquitaine. For his kin, Henry created Jasper Tudor the Duke of Bedford. He returned to his mother the lands and grants stripped from her by Richard, and proved to be a filial son, granting her a place of honour in the palace and faithfully attending to her throughout his reign. Parliament's declaration of Margaret as "femme sole" effectively empowered her; she no longer needed to manage her estates through Stanley. Elton points out that despite his initial largesse, Henry's supporters at Bosworth would enjoy his special favour for only the short term; in later years, he would instead promote those who best served his interests. Like the kings before him, Henry faced dissenters. The first open revolt occurred two years after Bosworth Field; Lambert Simnel claimed to be Edward Plantagenet, 17th Earl of Warwick, who was Edward IV's nephew. The Earl of Lincoln backed him for the throne and led rebel forces in the name of the House of York. The rebel army fended off several attacks by Northumberland's forces, before engaging Henry's army at the Battle of Stoke Field on 16 June 1487. Oxford and Bedford led Henry's men, including several former supporters of Richard III. Henry won this battle easily, but other malcontents and conspiracies would follow. A rebellion in 1489 started with Northumberland's murder; military historian Michael C. C. Adams says that the author of a note, which was left next to Northumberland's body, blamed the earl for Richard's death.
Legacy and historical significance. Contemporary accounts of the Battle of Bosworth can be found in four main sources, one of which is the English "Croyland Chronicle", written by a senior Yorkist chronicler who relied on second-hand information from nobles and soldiers. The other accounts were written by foreigners—Vergil, Jean Molinet, and Diego de Valera. Whereas Molinet was sympathetic to Richard, Vergil was in Henry's service and drew information from the king and his subjects to portray them in a good light. Diego de Valera, whose information Ross regards as unreliable, compiled his work from letters of Spanish merchants. However, other historians have used Valera's work to deduce possibly valuable insights not readily evident in other sources. Ross finds the poem, "The Ballad of Bosworth Field", a useful source to ascertain certain details of the battle. The multitude of different accounts, mostly based on second- or third-hand information, has proved an obstacle to historians as they try to reconstruct the battle. Their common complaint is that, except for its outcome, very few details of the battle are found in the chronicles. According to historian Michael Hicks, the Battle of Bosworth is one of the worst-recorded clashes of the Wars of the Roses.
Historical depictions and interpretations. Henry tried to present his victory as a new beginning for the country; he hired chroniclers to portray his reign as a "modern age" with its dawn in 1485. Hicks states that the works of Vergil and the blind historian Bernard André, promoted by subsequent Tudor administrations, became the authoritative sources for writers for the next four hundred years. As such, Tudor literature paints a flattering picture of Henry's reign, depicting the Battle of Bosworth as the final clash of the civil war and downplaying the subsequent uprisings. For England the Middle Ages ended in 1485, and English Heritage claims that other than William the Conqueror's successful invasion of 1066, no other year holds more significance in English history. By portraying Richard as a hunchbacked tyrant who usurped the throne by killing his nephews, the Tudor historians attached a sense of myth to the battle: it became an epic clash between good and evil with a satisfying moral outcome. According to Reader Colin Burrow, André was so overwhelmed by the historic significance of the battle that he represented it with a blank page in his "Henry VII" (1502). For Professor Peter Saccio, the battle was indeed a unique clash in the annals of English history, because "the victory was determined, not by those who fought, but by those who delayed fighting until they were sure of being on the winning side."
Historians such as Adams and Horrox believe that Richard lost the battle not for any mythic reasons, but because of morale and loyalty problems in his army. Most of the common soldiers found it difficult to fight for a liege whom they distrusted, and some lords believed that their situation might improve if Richard were dethroned. According to Adams, against such duplicities Richard's desperate charge was the only knightly behaviour on the field. As fellow historian Michael Bennet puts it, the attack was "the swan-song of [mediaeval] English chivalry". Adams believes this view was shared at the time by the printer William Caxton, who enjoyed sponsorship from Edward IV and Richard III. Nine days after the battle, Caxton published Thomas Malory's story about chivalry and death by betrayal—"Le Morte d'Arthur"—seemingly as a response to the circumstances of Richard's death. Elton does not believe Bosworth Field has any true significance, pointing out that the 20th-century English public largely ignored the battle until its quincentennial celebration. In his view, the dearth of specific information about the battle—no-one even knows exactly where it took place—demonstrates its insignificance to English society. Elton considers the battle as just one part of Henry's struggles to establish his reign, underscoring his point by noting that the young king had to spend ten more years pacifying factions and rebellions to secure his throne.
Mackie asserts that, in hindsight, Bosworth Field is notable as the decisive battle that established a dynasty which would rule unchallenged over England for more than a hundred years. Mackie notes that contemporary historians of that time, wary of the three royal successions during the long Wars of the Roses, considered Bosworth Field just another in a lengthy series of such battles. It was through the works and efforts of Francis Bacon and his successors that the public started to believe the battle had decided their futures by bringing about "the fall of a tyrant". Shakespearean dramatisation. William Shakespeare gives prominence to the Battle of Bosworth in his play, "Richard III". It is the "one big battle"; no other fighting scene distracts the audience from this action, represented by a one-on-one sword fight between Henry Tudor and Richard III. Shakespeare uses their duel to bring a climactic end to the play and the Wars of the Roses; he also uses it to champion morality, portraying the "unequivocal triumph of good over evil". Richard, the villainous lead character, has been built up in the battles of Shakespeare's earlier play, "Henry VI, Part 3", as a "formidable swordsman and a courageous military leader"—in contrast to the dastardly means by which he becomes king in "Richard III". Although the Battle of Bosworth has only five sentences to direct it, three scenes and more than four hundred lines precede the action, developing the background and motivations for the characters in anticipation of the battle.
Shakespeare's account of the battle was mostly based on chroniclers Edward Hall's and Raphael Holinshed's dramatic versions of history, which were sourced from Vergil's chronicle. However, Shakespeare's attitude towards Richard was shaped by scholar Thomas More, whose writings displayed extreme bias against the Yorkist king. The result of these influences is a script that vilifies the king, and Shakespeare had few qualms about departing from history to incite drama. Margaret of Anjou died in 1482, but Shakespeare had her speak to Richard's mother before the battle to foreshadow Richard's fate and fulfill the prophecy she had given in "Henry VI". Shakespeare exaggerated the cause of Richard's restless night before the battle, imagining it as a haunting by the ghosts of those whom the king had murdered, including Buckingham. Richard is portrayed as suffering a pang of conscience, but as he speaks he regains his confidence and asserts that he will be evil, if such needed to retain his crown.
Despite the dramatic licences taken, Shakespeare's version of the Battle of Bosworth was the model of the event for English textbooks for many years during the 18th and 19th centuries. This glamorised version of history, promulgated in books and paintings and played out on stages across the country, perturbed humorist Gilbert Abbott à Beckett. He voiced his criticism in the form of a poem, equating the romantic view of the battle to watching a "fifth-rate production of "Richard III"": shabbily costumed actors fight the Battle of Bosworth on-stage while those with lesser roles lounge at the back, showing no interest in the proceedings. In Laurence Olivier's 1955 film adaptation of "Richard III", the Battle of Bosworth is represented not by a single duel but a general melee that became the film's most recognised scene and a regular screening at Bosworth Battlefield Heritage Centre. The film depicts the clash between the Yorkist and Lancastrian armies on an open field, focusing on individual characters amidst the savagery of hand-to-hand fighting, and received accolades for the realism portrayed. One reviewer for "The Manchester Guardian" newspaper, however, was not impressed, finding the number of combatants too sparse for the wide plains and a lack of subtlety in Richard's death scene. The means by which Richard is shown to prepare his army for the battle also earned acclaim. As Richard speaks to his men and draws his plans in the sand using his sword, his units appear on-screen, arraying themselves according to the lines that Richard had drawn. Intimately woven together, the combination of pictorial and narrative elements effectively turns Richard into a storyteller, who acts out the plot he has constructed. Shakespearian critic Herbert Coursen extends that imagery: Richard sets himself up as a creator of men, but dies amongst the savagery of his creations. Coursen finds the depiction a contrast to that of Henry V and his "band of brothers".
The adaptation of the setting for "Richard III" to a 1930s fascist England in Ian McKellen's 1995 film, however, did not sit well with historians. Adams posits that the original Shakespearian setting for Richard's fate at Bosworth teaches the moral of facing one's fate, no matter how unjust it is, "nobly and with dignity". By overshadowing the dramatic teaching with special effects, McKellen's film reduces its version of the battle to a pyrotechnic spectacle about the death of a one-dimensional villain. Coursen agrees that, in this version, the battle and Richard's end are trite and underwhelming. Battlefield location. The site of the battle is deemed by Leicestershire County Council to be in the vicinity of the town of Market Bosworth. The council engaged historian Daniel Williams to research the battle, and in 1974 his findings were used to build the Bosworth Battlefield Heritage Centre and the presentation it houses. Williams's interpretation, however, has since been questioned. Sparked by the battle's quincentenary celebration in 1985, a dispute among historians has led many to doubt the accuracy of Williams's theory. In particular, geological surveys conducted from 2003 to 2009 by the Battlefields Trust, a charitable organisation that protects and studies old English battlefields, show that the southern and eastern flanks of Ambion Hill were solid ground in the 15th century, contrary to Williams's claim that it was a large area of marshland. Landscape archaeologist Glenn Foard, leader of the survey, said the collected soil samples and finds of medieval military equipment suggest that the battle took place southwest of Ambion Hill (52°34′41″N 1°26′02″W), contrary to the popular belief that it was fought near the foot of the hill.
Historians' theories. English Heritage argues that the battle was named after Market Bosworth because the town was then the nearest significant settlement to the battlefield. As explored by Professor Philip Morgan, a battle might initially not be named specifically at all. As time passes, writers of administrative and historical records find it necessary to identify a notable battle, ascribing it a name that is usually toponymical in nature and sourced from combatants or observers. This name then becomes accepted by society and without question. Early records associated the Battle of Bosworth with "Brownehethe", "bellum Miravallenses", "Sandeford" and "Dadlyngton field". The earliest record, a municipal memorandum of 23 August 1485 from York, locates the battle "on the field of Redemore". This is corroborated by a 1485–86 letter that mentions "Redesmore" as its site. According to the historian, Peter Foss, records did not associate the battle with "Bosworth" until 1510.
Foss brings further evidence for his "Redemore" theory by quoting Edward Hall's 1550 "Chronicle". Hall stated that Richard's army stepped onto a plain after breaking camp the next day. Furthermore, historian William Burton, author of "Description of Leicestershire" (1622), wrote that the battle was "fought in a large, flat, plaine, and spacious ground, three miles [5 km] distant from [Bosworth], between the Towne of Shenton, Sutton [Cheney], Dadlington and Stoke [Golding]". In Foss's opinion both sources are describing an area of flat ground north of Dadlington. Physical site. English Heritage, responsible for managing England's historic sites, used both theories to designate the site for Bosworth Field. Without preference for either theory, they constructed a single continuous battlefield boundary that encompasses the locations proposed by both Williams and Foss. The region has experienced extensive changes over the years, starting after the battle. Holinshed stated in his chronicle that he found firm ground where he expected the marsh to be, and Burton confirmed that by the end of the 16th century, areas of the battlefield were enclosed and had been improved to make them agriculturally productive. Trees were planted on the south side of Ambion Hill, forming Ambion Wood. In the 18th and 19th centuries, the Ashby Canal carved through the land west and south-west of Ambion Hill. Winding alongside the canal at a distance, the Ashby and Nuneaton Joint Railway crossed the area on an embankment. The changes to the landscape were so extensive that when Hutton revisited the region in 1807 after an earlier 1788 visit, he could not readily find his way around.
Bosworth Battlefield Heritage Centre was built on Ambion Hill, near Richard's Well. According to legend, Richard III drank from one of the several springs in the region on the day of the battle. In 1788, a local pointed out one of the springs to Hutton as the one mentioned in the legend. A stone structure was later built over the location. The inscription on the well reads: Northwest of Ambion Hill, just across the northern tributary of the , a flag and memorial stone mark Richard's Field. Erected in 1973, the site was selected on the basis of Williams's theory. St James's Church at Dadlington is the only structure in the area that is reliably associated with the Battle of Bosworth; the bodies of those killed in the battle were buried there. Rediscovered battlefield and possible battle scenario. The very extensive survey carried out (2005–2009) by the Battlefields Trust headed by Glenn Foard led eventually to the discovery of the real location of the core battlefield. This lies about a kilometre further west of the location suggested by Peter Foss. It is in what was at the time of the battle an area of marginal land at the meeting of several township boundaries. There was a cluster of field names suggesting the presence of marshland and heath. Thirty four lead round shot were discovered as a result of systematic metal detecting (more than the total found previously on all other C15th European battlefields), as well as other significant finds, including a small silver gilt badge depicting a boar. Experts believe that the boar badge could indicate the actual site of Richard III's death, since this high-status badge depicting his personal emblem was probably worn by a member of his close retinue.
A new interpretation of the battle now integrates the historic accounts with the battlefield finds and landscape history. The new site lies either side of the Fenn Lanes Roman road, close to Fenn Lane Farm and is some three kilometres to the southwest of Ambion Hill. Based on the round shot scatter, the likely size of Richard III's army, and the topography, Glenn Foard and Anne Curry think that Richard may have lined up his forces on a slight ridge which lies just east of Fox Covert Lane and behind a postulated medieval marsh. Richard's vanguard commanded by the Duke of Norfolk was on the right (north) side of Richard's battle line, with the Earl of Northumberland on Richard's left (south) side. Tudor's forces approached along the line of the Roman road and lined up to the west of the present day Fenn Lane Farm, having marched from the vicinity of Merevale in Warwickshire. Historic England have re-defined the boundaries of the registered Bosworth Battlefield to incorporate the newly identified site. There are hopes that public access to the site will be possible in the future.
Brassicaceae Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The leaves are simple (although are sometimes deeply incised), lack stipules, and appear alternately on stems or in rosettes. The inflorescences are terminal and lack bracts. The flowers have four free sepals, four free alternating petals, two shorter free stamens and four longer free stamens. The fruit has seeds in rows, divided by a thin wall (or septum). The family contains 372 genera and 4,060 accepted species. The largest genera are "Draba" (440 species), "Erysimum" (261 species), "Lepidium" (234 species), "Cardamine" (233 species), and "Alyssum" (207 species). , it was divided into two subfamilies, Brassicoideae and Aethionemoideae. The family contains the cruciferous vegetables, including species such as "Brassica oleracea" (cultivated as cabbage, kale, cauliflower, broccoli and collards), "Brassica rapa" (turnip, Chinese cabbage, etc.), "Brassica napus" (rapeseed, etc.), "Raphanus sativus" (common radish), "Armoracia rusticana" (horseradish), but also a cut-flower "Matthiola" (stock) and the model organism "Arabidopsis thaliana" (thale cress).
"Pieris rapae" and other butterflies of the family Pieridae are some of the best-known pests of Brassicaceae species planted as commercial crops. "Trichoplusia ni" (cabbage looper) moth is also becoming increasingly problematic for crucifers due to its resistance to commonly used pest control methods. Some rarer "Pieris" butterflies, such as "P. virginiensis", depend upon native mustards for their survival in their native habitats. Some non-native mustards such as "Alliaria petiolata" (garlic mustard), an extremely invasive species in the United States, can be toxic to their larvae. Description. Species belonging to the Brassicaceae are mostly annual, biennial, or perennial herbaceous plants, some are dwarf shrubs or shrubs, and very few vines. Although generally terrestrial, a few species such as water awlwort live submerged in fresh water. They may have a taproot or a sometimes woody caudex that may have few or many branches, some have thin or tuberous rhizomes, or rarely develop runners. Few species have multi-cellular glands.
They may have a taproot or a sometimes woody caudex that may have few or many branches, some have thin or tuberous rhizomes, or rarely develop runners. Few species have multi-cellular glands. Hairs consist of one cell and occur in many forms: from simple to forked, star-, tree- or T-shaped, rarely taking the form of a shield or scale. They are never topped by a gland. The stems may be upright, rise up towards the tip, or lie flat, are mostly herbaceous but sometimes woody. Stems carry leaves or the stems may be leafless (in "Caulanthus"), and some species lack stems altogether. The leaves do not have stipules, but there may be a pair of glands at base of leaf stalks and flower stalks. The leaf may be seated or have a leafstalk. The leaf blade is usually simple, entire or dissected, rarely trifoliolate or pinnately compound. A leaf rosette at the base may be present or absent. The leaves along the stem are almost always alternately arranged, rarely apparently opposite. The stomata are of the anisocytic type.
The leaves along the stem are almost always alternately arranged, rarely apparently opposite. The stomata are of the anisocytic type. diphylla". Hybridisation is not unusual in Brassicaceae, especially in "Arabis", "Rorippa", "Cardamine" and "Boechera". Hybridisation between species originating in Africa and California, and subsequent polyploidisation is surmised for "Lepidium" species native to Australia and New Zealand. Inflorescence and flower. Flowers may be arranged in racemes, panicles, or corymbs, with pedicels sometimes in the axil of a bract, and few species have flowers that sit individually on flower stems that spring from the axils of rosette leaves. The orientation of the pedicels when fruits are ripe varies dependent on the species. The flowers are bisexual, star symmetrical (zygomorphic in "Iberis" and "Teesdalia") and the ovary positioned above the other floral parts. Each flower has four free or seldom merged sepals, the lateral two sometimes with a shallow spur, which are mostly shed after flowering, rarely persistent, may be reflexed, spreading, ascending, or erect, together forming a tube-, bell- or urn-shaped calyx.
Each flower has four free or seldom merged sepals, the lateral two sometimes with a shallow spur, which are mostly shed after flowering, rarely persistent, may be reflexed, spreading, ascending, or erect, together forming a tube-, bell- or urn-shaped calyx. Each flower has four petals, set alternating with the sepals, although in some species these are rudimentary or absent. They may be differentiated into a blade and a claw or not, and consistently lack basal appendages. The blade is entire or has an indent at the tip, and may sometimes be much smaller than the claws. The mostly six stamens are set in two whorls: usually the two lateral, outer ones are shorter than the four inner stamens, but very rarely the stamens can all have the same length, and very rarely species have different numbers of stamens such as sixteen to twenty four in "Megacarpaea", four in "Cardamine hirsuta", and two in "Coronopus". The filaments are slender and not fused, while the anthers consist of two pollen producing cavities, and open with longitudinal slits. and two in "Coronopus". The filaments are slender and not fused, while the anthers consist of two pollen producing cavities, and open with longitudinal slits. The pollen grains are tricolpate. The receptacle carries a variable number of nectaries, but these are always present opposite the base of the lateral stamens.
Ovary, fruit and seed. There is one superior pistil that consists of two carpels that may either sit directly above the base of the stamens or on a stalk. It initially consists of only one cavity but during its further development a thin wall grows that divides the cavity, both placentas and separates the two valves (a so-called false septum). Rarely, there is only one cavity without a septum. The 2–600 ovules are usually along the side margin of the carpels, or rarely at the top. Fruits are capsules that open with two valves, usually towards the top. These are called silique if at least three times longer than wide, or silicle if the length is less than three times the width. The fruit is very variable in its other traits. There may be one persistent style that connects the ovary to the globular or conical stigma, which is undivided or has two spreading or connivent lobes. The variously shaped seeds are usually yellow or brown in color, and arranged in one or two rows in each cavity. The seed leaves are entire or have a notch at the tip. The seed does not contain endosperm.
Differences with similar families. Brassicaceae have a bisymmetrical corolla (left is mirrored by right, stem-side by out-side, but each quarter is not symmetrical), a septum dividing the fruit, lack stipules and have simple (although sometimes deeply incised) leaves. The sister family Cleomaceae has bilateral symmetrical corollas (left is mirrored by right, but stem-side is different from out-side), stipules and mostly palmately divided leaves, and mostly no septum. Capparaceae generally have a gynophore, sometimes an androgynophore, and a variable number of stamens. Phytochemistry. Almost all Brassicaceae have C3 carbon fixation. The only exceptions are a few "Moricandia" species, which have a hybrid system between C3 and C4 carbon fixation, C4 fixation being more efficient in drought, high temperature and low nitrate availability. Brassicaceae contain different cocktails of dozens of glucosinolates. They also contain enzymes called myrosinases, that convert the glucosinolates into isothiocyanates, thiocyanates and nitriles, which are toxic to many organisms, and so help guard against herbivory.
Taxonomy. Carl Linnaeus in 1753 regarded the Brassicaceae as a natural group, naming them "Klass" Tetradynamia. Alfred Barton Rendle placed the family in the order Rhoeadales, while George Bentham and Joseph Dalton Hooker in their system published from 1862 to 1883, assigned it to their cohort Parietales (now the class Violales). Following Bentham and Hooker, John Hutchinson in 1948 and again in 1964 thought the Brassicaceae to stem from near the Papaveraceae. In 1994, a group of scientists including Walter Stephen Judd suggested to include the Capparaceae in the Brassicaceae. Early DNA-analysis showed that the Capparaceae—as defined at that moment—were paraphyletic, and it was suggested to assign the genera closest to the Brassicaceae to the Cleomaceae. The Cleomaceae and Brassicaceae diverged approximately 41 million years ago. All three families have consistently been placed in one order (variably called Capparales or Brassicales). The APG II system merged Cleomaceae and Brassicaceae. Other classifications have continued to recognize the Capparaceae, but with a more restricted circumscription, either including "Cleome" and its relatives in the Brassicaceae or recognizing them in the segregate family Cleomaceae. The APG III system has recently adopted this last solution, but this may change as a consensus arises on this point. Current insights in the relationships of the Brassicaceae, based on a 2012 DNA-analysis, are summarized in the following tree.
Relationships within the family. Early classifications depended on morphological comparison only, but because of extensive convergent evolution, these do not provide a reliable phylogeny. Although a substantial effort was made through molecular phylogenetic studies, the relationships within the Brassicaceae have not always been well resolved yet. It has long been clear that the "Aethionema" are sister of the remainder of the family. One analysis from 2014 represented the relation between 39 tribes with the following tree. As of 2023 the Brassicaceae have been divided into two subfamilies -- the Brassicoideae and the Aethionemoideae (containing only Aethionema) -- the former of which contains five supertribes, Arabodae, Brassicodae, Camelinodae, Heliophilodae, and Hesperodae. Genera. As of October 2023 Plants of the World Online accepts 346 genera. Etymology. The name "Brassicaceae" comes to international scientific vocabulary from Neo-Latin, from "Brassica", the type genus, + "-aceae", a standardized suffix for plant family names in modern taxonomy. The genus name comes from the Classical Latin word "brassica", referring to cabbage and other cruciferous vegetables. The alternative older name, Cruciferae, meaning "cross-bearing", describes the four petals of mustard flowers, which resemble a cross. Cruciferae is one of eight plant family names, not derived from a genus name and without the suffix "-aceae" that are authorized alternative names.
Distribution. Brassicaceae can be found almost on the entire land surface of the planet, but the family is absent from Antarctica, and also absent from some areas in the tropics i.e. northeastern Brazil, the Congo basin, Maritime Southeast Asia and tropical Australasia. The area of origin of the family is possibly the Irano-Turanian region, where approximately 900 species occur in 150 different genera. About 530 of those 900 species are endemics. Next in abundance comes the Mediterranean region, with around 630 species (290 of which are endemic) in 113 genera. The family is less prominent in the Saharo-Arabian region—65 genera, 180 species of which 62 are endemic—and North America (comprising the North American Atlantic region and the Rocky Mountain floristic region)—99 genera, 780 species of which 600 are endemic. South America has 40 genera containing 340 native species, Southern Africa 15 genera with over 100 species, and Australia and New-Zealand have 19 genera with 114 species between them. Ecology.
Brassicaceae contain glucosinolates as well as myrosinases inside their cells. When the cell is damaged, the myrosinases hydrolise the glucosinolates, leading to the synthesis of isothiocyanates, which are compounds toxic to most animals, fungi and bacteria. Some insect herbivores have developed counter adaptations such as rapid absorption of the glucosinates, quick alternative breakdown into non-toxic compounds and avoiding cell damage. In the whites family (Pieridae), one counter mechanism involves glucosinolate sulphatase, which changes the glucosinolate, so that it cannot be converted to isothiocyanate. A second is that the glucosinates are quickly broken down, forming nitriles. Differences between the mixtures of glucosinolates between species and even within species is large, and individual plants may produce in excess of fifty individual substances. The energy penalty for synthesising all these glucosinolates may be as high as 15% of the total needed to produce a leaf. "Barbarea vulgaris" (bittercress) also produces triterpenoid saponins. These adaptations and counter adaptations probably have led to extensive diversification in both the Brassicaceae and one of its major pests, the butterfly family Pieridae. A particular cocktail of volatile glucosinates triggers egg-laying in many species. Thus a particular crop can sometimes be protected by planting bittercress as a deadly bait, for the saponins kill the caterpillars, but the butterfly is still lured by the bittercress to lay its egg on the leaves.
A moth that feeds on a range of Brassicaceae is the diamondback moth ("Plutella xylostella"). Like the Pieridae, it is capable of converting isothiocyanates into less problematic nitriles. Managing this pest in crops became more complicated after resistance developed against a toxin produced by "Bacillus thuringiensis", which is used as a wide spectrum biological plant protection against caterpillars. Parasitoid wasps that feed on such insect herbivores are attracted to the chemical compounds released by the plants, and thus are able to locate their prey. The cabbage aphid ("Brevicoryne brassicae") stores glucosinolates and synthesises its own myrosinases, which may deter its potential predators. Since its introduction in the 19th century, "Alliaria petiolata" has been shown to be extremely successful as an invasive species in temperate North America due, in part, to its secretion of allelopathic chemicals. These inhibit the germination of most competing plants and kill beneficial soil fungi needed by many plants, such as many tree species, to successfully see their seedlings grow to maturity.
These inhibit the germination of most competing plants and kill beneficial soil fungi needed by many plants, such as many tree species, to successfully see their seedlings grow to maturity. The monoculture formation of an herb layer carpet by this plant has been shown to dramatically alter forests, making them wetter, having fewer and fewer trees, and having more vines such as poison ivy ("Toxicodendron radicans"). The overall herb layer biodiversity is also drastically reduced, particularly in terms of sedges and forbs. Research has found that removing 80% of the garlic mustard infestation plants did not lead to a particularly significant recovery of that diversity. Instead, it required around 100% removal. Given that not one of an estimated 76 species that prey on the plant has been approved for biological control in North America and the variety of mechanisms the plant has to ensure its dominance without them (e.g.
Given that not one of an estimated 76 species that prey on the plant has been approved for biological control in North America and the variety of mechanisms the plant has to ensure its dominance without them (e.g. It is estimated that adequate control can be achieved with the introduction of two European weevils, including one that is monophagous. The USDA's TAG group has blocked these introductions since 2004. In addition to being invasive, garlic mustard also is a threat to native North American "Pieris" butterflies such as "P. oleracea", as they preferentially oviposit on it, although it is toxic to their larvae. Invasive aggressive mustard species are known for being self-fertile, seeding very heavily with small seeds that have a lengthy lifespan coupled with a very high rate of viability and germination, and for being completely unpalatable to both herbivores and insects in areas to which they are not native. Garlic mustard is toxic to several rarer North American "Pieris" species. Uses. This family includes important agricultural crops, among which many vegetables such as cabbage, broccoli, cauliflower, kale, Brussels sprouts, collard greens, Savoy, kohlrabi, and gai lan ("Brassica oleracea"), turnip, napa cabbage, mizuna, bok choy and rapini ("Brassica rapa"), rocket salad/arugula ("Eruca sativa"), garden cress ("Lepidium sativum"), watercress ("Nasturtium officinale") and radish ("Raphanus") and a few spices like horseradish ("Armoracia rusticana"), wasabi ("Eutrema japonicum"), white, Indian and black mustard ("Sinapis alba", "Brassica juncea" and "B. nigra" respectively). Vegetable oil is produced from the seeds of several species such as "Brassica napus" (rapeseed oil), perhaps providing the largest volume of vegetable oils of any species. Woad ("Isatis tinctoria") was used in the past to produce a blue textile dye (indigo), but has largely been replaced by the same substance from unrelated tropical species like "Indigofera tinctoria".
"Pringlea antiscorbutica", commonly known as Kerguelen cabbage, is edible, containing high levels of potassium. Its leaves contain a vitamin C-rich oil, a fact which, in the days of sailing ships, made it very attractive to sailors suffering from scurvy, hence the species name's epithet "antiscorbutica", which means "against scurvy" in Low Latin. It was essential to the diets of the whalers on Kerguelen when pork, beef, or seal meat was used up. The Brassicaceae also includes ornamentals, such as species of "Aethionema", "Alyssum", "Arabis", "Aubrieta", "Aurinia", "Cheiranthus", "Erysimum", "Hesperis", "Iberis", "Lobularia", "Lunaria", "Malcolmia", and "Matthiola". Honesty ("Lunaria annua") is cultivated for the decorative value of the translucent remains of the fruits after drying. It can be a pest species in areas where it is not native. The small Eurasian weed "Arabidopsis thaliana" is widely used as model organism in the study of the molecular biology of flowering plants (Angiospermae). Some species are useful as food plants for Lepidoptera, such as certain wild mustard and cress species, such as "Turritis glabra" and "Boechera laevigata" that are utilized by several North American butterflies.
Baseball statistics Baseball statistics include a variety of metrics used to evaluate player and team performance in the sport of baseball. Because the flow of a baseball game has natural breaks to it, and player activity is characteristically distinguishable individually, the sport lends itself to easy record-keeping and compiling statistics. Baseball "stats" have been recorded since the game's earliest beginnings as a distinct sport in the middle of the nineteenth century, and as such are extensively available through the historical records of leagues such as the National Association of Professional Base Ball Players and the Negro leagues, although the consistency, standards, and calculations are often incomplete or questionable. Since the National League (NL) was founded in 1876, statistics in the most elite levels of professional baseball have been kept at some level, with efforts to standardize the stats and their compilation improving during the early 20th century. Such efforts have evolved in tandem with advances in available technology ever since. The NL was joined by the American League (AL) in 1903; together the two constitute contemporary Major League Baseball.
New advances in both statistical analysis and technology made possible by the "PC revolution" of the 1980s and 1990s have driven teams and fans to evaluate players by an ever-increasing set of new statistics, which hold them to ever-evolving standards. With the advent of many of these methods, players can conditionally be compared across different time eras and run scoring environments. Development. The practice of keeping records of player achievements was started in the 19th century by English-American sportswriter Henry Chadwick. Based on his experience with the sport of cricket, Chadwick devised the predecessors to modern-day statistics including batting average, runs scored, and runs allowed. Traditionally, statistics such as batting average (the number of hits divided by the number of at bats) and earned run average (the average number of runs allowed by a pitcher per nine innings, less errors and other events out of the pitcher's control) have dominated attention in the statistical world of baseball. However, the recent advent of sabermetrics has created statistics drawing from a greater breadth of player performance measures and playing field variables. Sabermetrics and comparative statistics attempt to provide an improved measure of a player's performance and contributions to his team from year to year, frequently against a statistical performance average.
Comprehensive, historical baseball statistics were difficult for the average fan to access until 1951, when researcher Hy Turkin published "The Complete Encyclopedia of Baseball". In 1969, Macmillan Publishing printed its first "Baseball Encyclopedia", using a computer to compile statistics for the first time. Known as "Big Mac", the encyclopedia became the standard baseball reference until 1988, when "Total Baseball" was released by Warner Books using more sophisticated technology. The publication of "Total Baseball" led to the discovery of several "phantom ballplayers", such as Lou Proctor, who did not belong in official record books and were removed. Use. Throughout modern baseball, a few core statistics have been traditionally referenced – batting average, RBI, and home runs. To this day, a player who leads the league in all of these three statistics earns the "Triple Crown". For pitchers, wins, ERA, and strikeouts are the most often-cited statistics, and a pitcher leading his league in these statistics may also be referred to as a "triple crown" winner. General managers and baseball scouts have long used the major statistics, among other factors and opinions, to understand player value. Managers, catchers and pitchers use the statistics of batters of opposing teams to develop pitching strategies and set defensive positioning on the field. Managers and batters study opposing pitcher performance and motions in attempting to improve hitting. Scouts use stats when they are looking at a player who they may end up drafting or signing to a contract.
Some sabermetric statistics have entered the mainstream baseball world that measure a batter's overall performance including on-base plus slugging, commonly referred to as OPS. OPS adds the hitter's on-base percentage (number of times reached base by any means divided by total plate appearances) to their slugging percentage (total bases divided by at-bats). Some argue that the OPS formula is flawed and that more weight should be shifted towards OBP (on-base percentage). The statistic wOBA (weighted on-base average) attempts to correct for this. OPS is also useful when determining a pitcher's level of success. "Opponent on-base plus slugging" (OOPS) is becoming a popular tool to evaluate a pitcher's actual performance. When analyzing a pitcher's statistics, some useful categories include K/9IP (strikeouts per nine innings), K/BB (strikeouts per walk), HR/9 (home runs per nine innings), WHIP (walks plus hits per inning pitched), and OOPS (opponent on-base plus slugging). However, since 2001, more emphasis has been placed on defense-independent pitching statistics, including defense-independent ERA (dERA), in an attempt to evaluate a pitcher's performance regardless of the strength of the defensive players behind them.
All of the above statistics may be used in certain game situations. For example, a certain hitter's ability to hit left-handed pitchers might incline a manager to increase their opportunities to face left-handed pitchers. Other hitters may have a history of success against a given pitcher (or vice versa), and the manager may use this information to create a favorable match-up. This is often referred to as "playing the percentages". Contemporary statistics. The following listings include abbreviations and/or acronyms for both historic baseball statistics and those based on modern mathematical formulas known popularly as "metrics". The explanations below are for quick reference and do not fully or completely define the statistic; for the strict definition, see the linked article for each statistic. MLB statistical standards. It is difficult to determine quantitatively what is considered to be a "good" value in a certain statistical category, and qualitative assessments may lead to arguments. Using full-season statistics available at the Official Site of Major League Baseball for the 2004 through 2015 seasons, the following tables show top ranges in various statistics, in alphabetical order. For each statistic, two values are given:
At bat In baseball, an at bat (AB) or time at bat is a batter's turn batting against a pitcher. An at bat is different from a plate appearance. A batter is credited with a plate appearance regardless of what happens upon completion of their turn at bat, but a batter is charged with an at bat only if that plate appearance does not have one of the results enumerated below. While at bats are used to calculate certain statistics, including batting average and slugging percentage, a player can qualify for the season-ending rankings in these categories only if they accumulate 502 plate appearances during the season. Batters will not be charged an at bat if their plate appearances end under the following circumstances: In addition, if the inning ends during at bat (due to the third out being made by a runner caught stealing, for example), no at bat or plate appearance will result because neither were completed. An at bat is a specific type of plate appearance in which the batter stands at the plate intending to put the ball in play and get on base. This is why at bats, and not plate appearances, are used to calculate batting average, as plate appearances in general can result in many outcomes that do not necessarily involve putting the ball in play, and batting average specifically measures a batter's contact hitting.
Rule 9.02(a)(1) of the official rules of Major League Baseball defines an at bat as: "Number of times batted, except that no time at bat shall be charged when a player: (A) hits a sacrifice bunt or sacrifice fly; (B) is awarded first base on four called balls; (C) is hit by a pitched ball; or (D) is awarded first base because of interference or obstruction[.]" Examples. An at bat is counted when: Records. Pete Rose had 14,053 career at bats, the all-time major league and National League record. The American League record is held by Carl Yastrzemski, whose 11,988 career at bats were all in the AL. The single season record is held by Jimmy Rollins, who had 716 at bats in 2007. Willie Wilson, Ichiro Suzuki and Juan Samuel also had more than 700 at bats in a season. 14 players share the single game record of 11 at bats in a single game, all of which were extra inning games. In games of 9 innings or fewer, the record is 7 at bats and has occurred more than 200 times. The team record for most at bats in a single season is 5,781 by the 1997 Boston Red Sox.
At bat as a phrase. "At bat", "up", "up at bat", and "at the plate" are all phrases describing a batter who is facing the pitcher. Just because a player is described as being "at bat" in this sense, he will not necessarily be given an at bat in his statistics; the phrase actually signifies a plate appearance (assuming it is eventually completed). This ambiguous terminology is usually clarified by context. To refer explicitly to a statistical "at bat", the term "official at bat" is sometimes used. "Time at bat" in the rulebook. Official Baseball Rule 5.06(c) provides that "[a] batter has legally completed his "time at bat" when he is put out or becomes a runner" (emphasis added). The "time at bat" defined in this rule is more commonly referred to as a plate appearance, and the playing rules (Rules 1 through 8) uses the phrase "time at bat" in this sense. In contrast, the scoring rules use the phrase "time at bat" to refer to the statistic at bat, defined in Rule 9.02(a)(1), but sometimes uses the phrase "official time at bat" or refers back to Rule 9.02(a)(1) when mentioning the statistic. The phrase "plate appearance" is used in Rules 9.22 and 9.23 dealing with batting titles and hitting streaks, and in Rule 5.10(g) comment regarding the Three-Batter Minimum: "[t]o qualify as one of three consecutive batters, the batter must complete his plate appearance, which ends only when the batter is put out or becomes a runner." The term is not elsewhere defined in the rulebook.
Earned run In baseball, an earned run is any run that was fully enabled by the offensive team's production in the face of competent play from the defensive team. Conversely, an unearned run is a run that would not have been scored without the aid of an error or a passed ball committed by the defense; it is "unearned" in that it was, in a sense, "given away" by the defensive team. Earned and unearned runs count equally toward the game score; the difference is purely statistical. Both total runs and earned runs are tabulated as part of a pitcher's statistics, but earned runs are specially denoted because of their use in calculating a pitcher's earned run average (ERA), the number of earned runs allowed by the pitcher per nine innings pitched (i.e., averaged over a regulation game). Thus, in effect, the pitcher is held personally accountable for earned runs, while the responsibility for unearned runs is shared with the rest of the team. To determine whether a run is earned, the official scorer must reconstruct the inning as it would have occurred without errors or passed balls.
Details. If no errors and no passed balls occur during the inning, all runs scored are automatically earned (assigned responsible to the pitcher(s) who allowed each runner to reach base). Also, in some cases, an error can be rendered harmless as the inning progresses. For example, a runner on first base advances to second on a passed ball and the next batter walks. Since the runner would now have been at second anyway, the passed ball no longer has any effect on the earned/unearned calculation. On the other hand, a batter/runner may make his entire circuit around the bases without the aid of an error, yet the run would be counted as unearned if an error prevented the third out from being made before he crossed the plate to score. An error made by the pitcher in fielding at his position is counted the same as an error by any other player. A run is counted as unearned when: While the inning is still being played, the second and the second-last scenario can cause a temporary situation where a run has already scored, but its earned/unearned status is not yet certain. Under the last circumstance, for example, with two outs, a runner on third base scores on a passed ball. For the time being, the run is unearned since the runner "should" still be at third. If the batter strikes out to end the inning, it will stay that way. If the batter gets a base hit, which would have scored the runner anyway, the run now becomes earned.
Under the second circumstance, if there are runners on base and a batter hits a foul fly ball that is dropped, and then bats in the runners on base through a base hit (including a home run), the runs are unearned for the time being, as the runners should not have advanced. If the results of the remaining at-bats in the inning would not have scored the runners, the runs remain unearned. However, if results of subsequent at-bats would have scored the runs anyway, the runs would count as earned, unless they only would have scored as a result of a subsequent error or passed ball. A baserunner who reaches on catcher's interference and subsequently scores with two outs scores an unearned run, but baserunners who subsequently score after the runner who has reached on catcher's interference exclusively on clean plays score earned runs; the baserunner cannot be assumed to have been put out except for the error. (2019 MLB Rule 9.16(a)(4)). If a run is scored by a pinch-runner who replaces a baserunner who represents an unearned run, or by a pinch-hitter who continues the turn at bat of a batter who would be out except for an error, the run remains unearned, regardless of the substitution.
Pitching changes. When pitchers are changed in the middle of an inning, and one or more errors have already occurred, it is possible to have a run charged as earned against a specific pitcher, but unearned to the team. The simplest example is when the defensive team records two outs and makes an error on a play that would have been the third out. A new pitcher comes into the game, and the next batter hits a home run. The runner who reached on the error comes around to score, and his run is unearned to both the prior pitcher and the team. However, the run scored by the batter is counted as earned against the relief pitcher, but unearned to the team (since there should have already been three outs). Had the team not switched pitchers, neither run would be counted as an earned run because that pitcher should have already been out of that inning. A pitcher who is relieved mid-inning may be charged with earned runs equal to the number of batters who reached base while he was pitching, even if the specific batters he faced do not score. The batters he put on base may be erased by fielder's choice plays after he has been relieved by another pitcher, but if earned runs are scored in the inning the original pitcher is liable for as many earned runs as the number of batters he put on base. Example: When a pitching change occurs, the new pitcher is said to "inherit" any runners that are on base at the time, and if they later score, those runs are charged (earned or unearned) to the prior pitcher. Most box scores now list inherited runners, and the number that scored, as a statistic for the relief pitcher.
Base on balls A base on balls (BB), better known as a walk, occurs in baseball when a batter receives four pitches during a plate appearance that the umpire calls "balls", and is in turn awarded first base without the possibility of being called out. The base on balls is defined in Section 2.00 of baseball's Official Rules, and further detail is given in 6.08(a). Despite being known as a "walk", it is considered a faux pas for a professional player to actually walk to first base; the batter-runner and any advancing runners normally jog on such a play. The term "base on balls" distinguishes a walk from the other manners in which a batter can be awarded first base without liability to be put out (e.g., hit by pitch (HBP), catcher's interference). Though a base on balls, catcher's interference, or a batter hit by a pitched ball all result in the batter (and possibly runners on base) being awarded a base, the term "walk" usually refers only to a base on balls, and not the other methods of reaching base without the bat touching the ball. An important difference is that for a hit batter or catcher's interference, the ball is dead and no one may advance unless forced; the ball is live after a walk (see below for details).
A batter who draws a base on balls is commonly said to have been "walked" by the pitcher. When the batter is walked, runners advance one base without liability to be put out only if forced to vacate their base to allow the batter to take first base. If a batter draws a walk with the bases loaded, all preceding runners are forced to advance, including the runner on third base who is forced to home plate to score a run; when a run is forced on a walk, the batter is credited with a run batted in per rule 9.04. Receiving a base on balls does not count as a hit or an at bat for a batter but does count as a time on base and a plate appearance. Therefore, a base on balls does not affect a player's batting average, but it can increase his on-base percentage. A hit by pitch is not counted statistically as a walk, though the effect is mostly the same, with the batter receiving a free pass to first base. One exception is that on hit-by-pitch, the ball is dead, and any runners attempting to steal on the play must return to their original base unless forced to the next base anyway. When a walk occurs, the ball is still live: any runner not forced to advance may nevertheless attempt to advance at his own risk, which might occur on a steal play, passed ball, or wild pitch. Also, because a ball is live when a base on balls occurs, runners on base forced to advance one base may attempt to advance beyond one base, at their own risk. The batter-runner himself may attempt to advance beyond first base, at his own risk. Rule 6.08 addresses this matter as well. An attempt to advance an additional base beyond the base awarded might occur when ball four is a passed ball or a wild pitch.
History. In early baseball, there was no concept of a "ball". It was created by the NABBP in 1863, originally as a sort of unsportsmanlike-conduct penalty: "Should the pitcher repeatedly fail to deliver to the striker fair balls, for the apparent purpose of delaying the game, or for any other cause, the umpire, after warning him, shall call one ball, and if the pitcher persists in such action, two and three balls; when three balls shall have been called, the striker shall be entitled to the first base; and should any base be occupied at that time, each player occupying them shall be entitled to one base without being put out." Note that this rule in effect gave the pitcher 9 balls, since each penalty ball could only be called on a third offense. In 1869 the rule was modified so that only those baserunners forced to advance could advance. From 1871 through 1886, the batter was entitled to call "high" or "low", i.e. above or below the waist; a pitch which failed to conform was "unfair". Certain pitches were defined as automatic balls in 1872: any ball delivered over the batter's head, that hit the ground in front of home plate, was delivered to the opposite side from the batter, or came within one foot of him.
above or below the waist; a pitch which failed to conform was "unfair". Certain pitches were defined as automatic balls in 1872: any ball delivered over the batter's head, that hit the ground in front of home plate, was delivered to the opposite side from the batter, or came within one foot of him. In 1880, the National League changed the rules so that eight "unfair balls" instead of nine were required for a walk. In 1884, the National League changed the rules so that six balls were required for a walk. In 1886, the American Association changed the rules so that six balls instead of seven were required for a walk; however, the National League changed the rules so that seven balls were required for a walk instead of six. In 1887, the National League and American Association agreed to abide by some uniform rule changes, including, for the first time, a strike zone which defined balls and strikes by rule rather than the umpire's discretion, and decreased the number of balls required for a walk to five. In 1889, the National League and the American Association decreased the number of balls required for a walk to four.
In 2017, Major League Baseball approved a rule change allowing for a batter to be walked intentionally by having the defending bench signal to the umpire. The move was met with some controversy. Intentional base on balls. A subset of the base on balls, an intentional base on balls (IBB), or intentional walk, is when the defensive team intentionally issues a walk to the batter. In Major League Baseball and many amateur leagues, an intentional base on balls is signaled to the home plate umpire by the defensive team's manager holding up four fingers, at which point the batter is awarded first base without any further pitches being thrown. In some leagues and in Major League Baseball prior to 2017, an intentional base on balls is issued when the pitcher deliberately pitches the ball away from the batter four times (or as many times as needed to get to ball four if the decision to issue the intentional walk is made with one or more balls already on the count). As with any other walk, an intentional walk entitles the batter to first base without liability to be put out, and entitles any runners to advance if forced.
Intentional walks are a strategic defensive maneuver, commonly done to bypass one hitter for one the defensive team believes is less likely to initiate a run-scoring play (e.g., a home run, sacrifice fly, or RBI base hit). Teams also commonly use intentional walks to set up a double play or force out situation for the next batter. Major League Baseball leaders. Game. Jimmie Foxx, Andre Thornton, Jeff Bagwell and Bryce Harper have each been walked six times during a major league regular season game. Among pitchers, Tommy Byrne and Bruno Haas both gave up 16 bases on balls in a game. On September 17, 1920, the Boston Red Sox drew 20 walks in a 12-inning game against the Detroit Tigers. , this is the most walks drawn or allowed by a team in a single game in Major League history according to available data.
List of Major League Baseball career total bases leaders In baseball statistics, total bases (TB) is the number of bases a player has gained with hits. It is a weighted sum for which the weight value is 1 for a single, 2 for a double, 3 for a triple, and 4 for a home run. Only bases attained from hits count toward this total. Reaching base by other means (such as a base on balls) or advancing further after the hit (such as on a stolen base) does not increase the player's total bases. The total bases divided by the number of at bats is the player's slugging average. Hank Aaron is the career leader in total bases with 6,856. Albert Pujols (6,211), Stan Musial (6,134), and Willie Mays (6,080) are the only other players with at least 6,000 career total bases. As of April 16, 2025, no active players are in the top 100 for career total bases. The active leader is Los Angeles Dodgers first baseman Freddie Freeman, 106th with 3,888.
Hit by pitch In baseball, hit by pitch (HBP) is an event in which a batter or his clothing or equipment (other than his bat) is struck directly by a pitch from the pitcher; the batter is called a hit batsman (HB). A hit batsman is awarded first base, provided that (in the plate umpire's judgment) he made an honest effort to avoid the pitch, although failure to do so is rarely called by an umpire. Being hit by a pitch is often caused by a batter standing too close to, or "crowding", home plate. The rule dates from 1887; before that, a pitch that struck the batter was merely a ball. Official rule. Per baseball official rule 5.05(b), a batter becomes a baserunner and is awarded first base when he or his equipment (except for his bat): If all these conditions are met, the ball is dead, and other baserunners advance if they are forced to vacate their base by the batter taking first. Rule 5.09(a) further clarifies that a hit by pitch is also called when a pitch touches a batter's clothing.
A hit-by-pitch can also be called on a pitch that has first touched the ground before hitting the batter. Such a bouncing pitch is like any other, and if a batter is hit by such a pitch, he will be awarded first unless he made no attempt to avoid it (and he had an opportunity to avoid it). A batter hit by a pitch is not credited with a hit or at bat, but is credited with a time on base and a plate appearance; therefore, being hit by a pitch does not increase or decrease a player's batting average but does increase his on-base percentage. A batter was hit by a pitch with the bases loaded is also credited with an RBI per MLB rule 10.04(a)(2). A pitch ruled a hit by pitch is recorded as a ball in the pitcher's pitch count, since by definition, the ball must be outside the strike zone and not have been swung at. The rule awarding first base to a batter hit by a pitch was instituted in 1887. Tactical use.
Occasionally, if a player is acting rude or unsportsmanlike, or having an extraordinarily good day, the pitcher may intentionally hit the batter, disguising it as a pitch that accidentally slipped his control. Managers may also order a pitcher to throw such a pitch (sometimes called a "plunking"). These pitches are typically aimed at the lower back and slower than normal, designed to send a message more than anything else. The opposing team usually hits a batter in retaliation for this act. The plunkings generally end there because of umpire warnings, but in some cases things can get out of hand, and sometimes they lead to the batter charging the mound, bench-clearing brawls, and several ejections. Records. Korea Baseball Organization third baseman Choi Jeong holds the Korean Baseball Organization hit by pitch record with 348. It is also the world record. The all-time record for a player being hit by a pitch in MLB is held by Hughie Jennings, who was hit by 287 pitches between 1891 and 1903. The modern-era record is held by Craig Biggio of the Houston Astros, who had 285 as of the end of the 2007 season when he retired. Prior to Biggio, the modern-era record belonged to Don Baylor, who was hit 267 times.
The all-time single-season record also belongs to Jennings, who was hit 51 times during the 1896 season. Ron Hunt of the 1971 Montreal Expos was hit 50 times during that year, the modern-era record. The single-game record is three, held by numerous players. The all-time record for pitchers is held by Gus Weyhing with 277 (1887–1901). The modern-era career pitching record for most hit batsmen is 205 by Hall-of-Famer Walter Johnson. The season record is 54 by Phil Knell in 1891, and the game record is six, held by Ed Knouff and John Grimes. Brady Anderson was the first player to be hit by a pitch two times in the same inning in an American League game. On April 25, 2014, Brandon Moss became the second when he was hit twice in the top of the 9th inning by Houston Astros pitchers. Five players have been hit by a pitch twice in the same inning in the National League. On September 1, 2021, Austin Adams became the first pitcher hitting batters 20 or more times with 120 or less IPs in a season. Ed Doheny hit batters 22 times in 133.2 IP in 1900.
Three times has a perfect game been broken up by the 27th batter being hit by pitch. Hooks Wiltse, Max Scherzer, and Joe Musgrove hold this rare feat. All three finished with no-hitters after the hit by pitch. Scherzer's team was leading 6–0 and Musgrove's 3–0 when they pitched their no-hitters, but Wiltse's team was scoreless through 9; he pitched a 10-inning 1–0 no-hitter. The record for most hit batters in a no-hitter is three, held by Chris Heston of the San Francisco Giants for his 2015 effort against the New York Mets. Postseason career records are held by Greg Maddux and Tim Wakefield—each of whom hit 9 batters—and Shane Victorino, who was hit by pitch 11 times. Dangers. One major-league player died as a result of being struck by a pitch: Ray Chapman of the Cleveland Indians was hit in the head by Carl Mays on August 16, 1920, and died the next morning. Serious injuries may result from being hit by a pitch, even when wearing a batting helmet. On August 18, 1967, Boston Red Sox batter Tony Conigliaro was hit almost directly in the left eye by a fastball thrown by Jack Hamilton of the California Angels. His cheekbone was shattered; he nearly lost the sight of the eye, was unable to play for over a year, and never regained his earlier batting ability. At the time, batting helmets were not required to have an "ear flap"; it was not until 2002 that all major-league batters were required to wear helmets with side-protection. Ron Santo was the first player to wear a helmet with an improvised ear-flap; he had it made after he was struck by a pitch from Jack Fisher of the New York Mets on June 26, 1966, which briefly knocked Santo unconscious and left him with a fractured cheekbone.
Other notable injuries include: Other comparably minor injuries that are possible include broken fingers or hands, broken feet, broken ribs, injuries to the knee, or groin injuries. Legal interpretation. Since inside pitching is a legitimate tactic in baseball, courts have recognized that being hit by a pitch is an inherent risk of the game, so that players cannot sue for any resulting injuries. On April 6, 2006, in a case arising from a game involving community college baseball teams, the Supreme Court of California ruled that baseball players in California assume the risk of being hit by baseballs "even if" the balls were intentionally thrown so as to cause injury. In the court's words: "For better or worse, being intentionally thrown at is a fundamental part and inherent risk of the sport of baseball. It is not the function of tort law to police such conduct."
Hit (baseball) In baseball statistics, a hit (denoted by H), also called a base hit, is credited to a batter when the batter safely reaches or passes first base after hitting the ball into fair territory with neither the benefit of an error nor a fielder's choice. Scoring a hit. To achieve a hit, the batter must reach first base before any fielder can either tag him with the ball, throw to another player protecting the base before the batter reaches it, or tag first base while carrying the ball. The hit is scored the moment the batter reaches first base safely; if he is put out while attempting to stretch his hit to a double or triple or home run on the same play, he still gets credit for a hit (according to the last base he reached safely on the play). If a batter reaches first base because of offensive interference by a preceding runner (including if a preceding runner is hit by a batted ball), he is also credited with a hit. Types of hits. A hit for one base is called a single, for two bases a double, and for three bases a triple. A home run is also scored as a hit. Doubles, triples, and home runs are also called extra base hits.
An "infield hit" is a hit where the ball does not leave the infield. Infield hits are uncommon by nature, and most often earned by speedy runners. Pitching a no-hitter. A no-hitter is a game in which one of the teams prevented the other from getting a hit. Throwing a no-hitter is rare and considered an extraordinary accomplishment for a pitcher or pitching staff. In most cases in the professional game, no-hitters are accomplished by a single pitcher who throws a complete game. A pitcher who throws a no-hitter could still allow runners to reach base safely, by way of walks, errors, hit batsmen, or batter reaching base due to interference or obstruction. If the pitcher allows no runners to reach base in any manner whatsoever (hit, walk, hit batsman, error, etc.), the no-hitter is a perfect game. 1887 discrepancy. In 1887, Major League Baseball counted bases on balls (walks) as hits. The result was skyrocketing batting averages, including some near .500; Tip O'Neill of the St. Louis Browns batted .485 that season, which would still be a major league record if recognized. The experiment was abandoned the following season.
There is controversy regarding how the records of 1887 should be interpreted. The number of legitimate walks and at-bats are known for all players that year, so computing averages using the same method as in other years is straightforward. In 1968, Major League Baseball formed a Special Baseball Records Committee to resolve this (and other) issues. The Committee ruled that walks in 1887 should not be counted as hits. In 2000, Major League Baseball reversed its decision, ruling that the statistics which were recognized in each year's official records should stand, even in cases where they were later proven incorrect. Most current sources list O'Neill's 1887 average as .435, as calculated by omitting his walks. He would retain his American Association batting championship. However, the variance between methods results in differing recognition for the 1887 National League batting champion. Cap Anson would be recognized, with his .421 average, if walks are included, but Sam Thompson would be the champion at .372 if they are not. Major League Baseball rules. The official rulebook of Major League Baseball states in Rule 10.05: Rule 10.05(a) Comment: In applying Rule 10.05(a), the official scorer shall always give the batter the benefit of the doubt. A safe course for the official scorer to follow is to score a hit when exceptionally good fielding of a ball fails to result in a putout.
On-base percentage In baseball statistics, on-base percentage (OBP) measures how frequently a batter reaches base. An official Major League Baseball (MLB) statistic since 1984, it is sometimes referred to as on-base average (OBA), as it is rarely presented as a true percentage. Generally defined as "how frequently a batter reaches base per plate appearance", OBP is specifically calculated as the ratio of a batter's times on base (the sum of hits, bases on balls, and times hit by pitch) to the sum of at bats, bases on balls, hit by pitch, and sacrifice flies. OBP does not credit the batter for reaching base on fielding errors, fielder's choice, uncaught third strikes, fielder's obstruction, or catcher's interference, and deducts from plate appearances a batter intentionally giving himself up in a sacrifice bunt. OBP is added to slugging average (SLG) to determine on-base plus slugging (OPS). The OBP of all batters faced by one pitcher or team is referred to as "on-base against". On-base percentage is calculable for professional teams dating back to the first year of National Association of Professional Base Ball Players competition in 1871, because the component values of its formula have been recorded in box scores ever since.
History. The statistic was invented in the late 1940s by Brooklyn Dodgers statistician Allan Roth with then-Dodgers general manager Branch Rickey. In 1954, Rickey, who was then the general manager of the Pittsburgh Pirates, was featured in a Life Magazine graphic in which the formula for on-base percentage was shown as the first component of an all-encompassing "offense" equation. However, it was not named as on-base percentage, and there is little evidence that Roth's statistic was taken seriously at the time by the baseball community at large. On-base percentage became an official MLB statistic in 1984. Its perceived importance jumped after the influential 2003 book "" highlighted Oakland Athletics general manager Billy Beane's focus on the statistic. Many baseball observers, particularly those influenced by the field of sabermetrics, now consider on-base percentage superior to the statistic traditionally used to measure offensive skill, batting average, which accounts for hits but ignores other ways a batter can reach base.
Overview. Traditionally, players with the best on-base percentages bat as leadoff hitter, unless they are power hitters, who traditionally bat slightly lower in the batting order. The league average for on-base percentage in Major League Baseball has varied considerably over time; at its peak in the late 1990s, it was around .340, whereas it was typically .300 during the dead-ball era. On-base percentage can also vary quite considerably from player to player. The highest career OBP of a batter with more than 3,000 plate appearances is .482 by Ted Williams. The lowest is by Bill Bergen, who had an OBP of .194. On-base percentage is calculated using this formula: where In certain unofficial calculations, the denominator is simplified and replaced by Plate Appearance (PA); however, the calculation PAs includes certain infrequent events that will slightly lower the calculated OBP (i.e. catcher's interference, and sacrifice bunts). Sacrifice bunts are excluded from consideration on the basis that they are usually imposed by the manager with the expectation that the batter will not reach base, and thus do not accurately reflect the batter's ability to reach base when attempting to do so. This is in contrast with the sacrifice fly, which is generally unintentional; the batter was trying for a hit.
Sacrifice fly In baseball, a sacrifice fly (sometimes abbreviated to sac fly) is defined by Rule 9.08(d): "Score a sacrifice fly when, before two are out, the batter hits a ball in flight handled by an outfielder or an infielder running in the outfield in fair or foul territory that They are so named because the batter allows a teammate to score a run, while "sacrificing" their ability to do so. They are traditionally recorded in box scores with the designation "SF". Rules. As addressed within Rule 9.02(a)(1) of the Official Baseball Rules a sacrifice fly is not counted as a time at bat for the batter, though the batter is credited with a run batted in. The same is true with a bases-loaded walk or hit by pitch. The purpose of not counting a sacrifice fly as an at-bat is to avoid penalizing hitters for a successful action. The sacrifice fly is one of two instances in baseball where a batter is not charged with a time at bat after putting a ball in play; the other is the sacrifice hit (also known as a sacrifice bunt). But, while a sacrifice fly does not affect a player's batting average, it counts as a plate appearance and lowers the on-base percentage. A player on a hitting streak will have it end with no official at-bats but a sacrifice fly.
Unlike a sacrifice bunt, which may be scored if a runner advances from any base to any base, a sacrifice fly is credited only if a runner scores on the play. Therefore, when a runner on first or second base tags on a fly ball and advances no further than third base, no sacrifice is given, and the batter is charged with an at-bat. Also, if a runner tags and advances from second base (or, theoretically, from first base) all the way to home and scores (without an intervening error), the batter is credited with a sacrifice fly, as well as with a second RBI if a runner on third also scores. At the professional level this will typically occur only in unusual circumstances that prevent the defense from making an immediate throw back to the infield, such as an outfielder colliding with the wall while making a catch on the warning track or a fly ball caught at the deepest part of the yard. It can also happen if two very fast baserunners occupy 2nd and 3rd base, such as when Willie McGee and Ozzie Smith scored on Tom Herr's sacrifice fly in the 1982 World Series.
The sacrifice fly is credited even if another runner is put out, so long as the run scores. The sacrifice fly is credited on a dropped ball even if another runner is forced out by reason of the batter becoming a runner. Records. The most sacrifice flies by a team in one game in Major League Baseball (MLB) is five; the record was established by the Seattle Mariners in 1988, tied by the Colorado Rockies in 2006, and tied again by the Mariners in 2008. Five MLB teams have collected three sacrifice flies in an inning: the Chicago White Sox (fifth inning, July 1, 1962, against the Cleveland Indians); the New York Yankees twice (fourth inning, June 29, 2000, against the Detroit Tigers and third inning, August 19, 2000, against the Anaheim Angels); the New York Mets (second inning, June 24, 2005, against the Yankees); and the Houston Astros (seventh inning, June 26, 2005, against the Texas Rangers). In these cases one or more of the flies did not result in a putout due to an error. Since the rule was reinstated in its present form in MLB in 1954, Gil Hodges of the Dodgers holds the record for most sacrifice flies in one season with 19, in 1954; Eddie Murray holds the MLB record for most sacrifice flies in a career with 128.
MLB season, the ten players with the most career sacrifice flies are: Only once has the World Series been won on a sac fly. In 1912, Larry Gardner of the Boston Red Sox hit a fly ball off New York Giants' pitcher Christy Mathewson. Steve Yerkes tagged up and scored from third base to win game 8 in the 10th inning and take the series for the Red Sox. History. Batters have not been charged with a time at-bat for a sacrifice hit since 1893, but baseball has changed the sacrifice fly rule multiple times. The sacrifice fly as a statistical category was instituted in 1908, only to be discontinued in 1931. The rule was again adopted in 1939, only to be eliminated again in 1940, before being adopted for the last time in 1954. For some baseball fans, it is significant that the sacrifice-fly rule was eliminated in 1940 because, in 1941, Ted Williams was hitting .39955 on the last day of the season and needed one hit in a doubleheader against the Philadelphia A's to become the first hitter since Bill Terry in 1930 to hit .400. He got six hits, finishing with an official .406 average, the last player in over 80 years to bat .400 or more in the American or National League. In his book "Baseball and Other Matters in 1941" author Robert Creamer, citing estimates, points out that if Williams' 14 at-bats on sacrifice flies that year were deducted from the 456 official at-bats he was charged with, his final average in 1941 would have been .419.
On-base plus slugging On-base plus slugging (OPS) is a sabermetric baseball statistic calculated as the sum of a player's on-base percentage and slugging percentage. The ability of a player both to get on base and to hit for power, two important offensive skills, are represented. An OPS of .800 or higher in Major League Baseball puts the player in the upper echelon of hitters. Typically, the league leader in OPS will score near, and sometimes above, the 1.000 mark. Equation. The basic equation is formula_1 where OBP is on-base percentage and SLG is slugging average. These averages are defined below as: formula_2 - the numerator "H + BB + HBP" effectively means "number of trips to first base at least" - the denominator "AB + BB + SF + HBP" effectively means "total plate appearances", but does not include sacrifice bunts This is because though a batter makes a trip to the plate he is not given an "AB" when he walks (BB or HBP) or when he hits the ball into play and is called out, but the action allows a run to score (SF). As a result, the 4 counts (AB + BB + SF +HBP) are needed to calculate a batter's total trips to the plate.
and formula_3 where: In one equation, OPS can be represented as: formula_4 History. On-base plus slugging was first popularized in 1984 by John Thorn and Pete Palmer's book, "The Hidden Game of Baseball". "The New York Times" then began carrying the leaders in this statistic in its weekly "By the Numbers" box, a feature that continued for four years. Baseball journalist Peter Gammons used and evangelized the statistic, and other writers and broadcasters picked it up. The popularity of OPS gradually spread, and by 2004 it began appearing on Topps baseball cards. OPS was formerly sometimes known as "production". For instance, "production" was included in early versions of Thorn's "Total Baseball" encyclopedia, and in the "Strat-O-Matic Computer Baseball" game. This term has fallen out of use. OPS gained popularity because of the availability of its components, OBP and SLG, and that team OPS correlates well with team runs scored. An OPS scale. Bill James, in his essay titled "The 96 Families of Hitters" uses seven different categories for classification by OPS:
This effectively transforms OPS into a seven-point ordinal scale. Substituting quality labels such as "excellent" (A), "very good" (B), "good" (C), "average" (D), "fair" (E), "poor" (F) and "very poor" (G) for the A–G categories creates a subjective reference for OPS values. Leaders. The top ten Major League Baseball players in lifetime OPS, with at least 3,000 plate appearances , were: The top five were all left-handed batters. Jimmie Foxx has the highest career OPS for a right-handed batter. The top ten single-season performances in MLB are: Gibson holds the highest single-season OPS for a right-hander, while Barry Bonds holds the record for a left-hander. Since 1944, the highest single-season OPS for a right-hander is 1.2224 by Mark McGwire in , which was 28th all-time. Adjusted OPS (OPS+). OPS+, adjusted OPS, is a closely related statistic. OPS+ is OPS adjusted for the park and the league in which the player played. An OPS+ of 100 is defined to be the league average. An OPS+ of 150 or more is excellent and 125 very good, while an OPS+ of 75 or below is poor.
The basic equation for OPS+ is formula_5 where *lgOBP is the park-adjusted OBP of the league and *lgSLG is the park-adjusted SLG of the league. A common misconception is that OPS+ closely matches the ratio of a player's OPS to that of their league. In fact, due to the additive nature of the two components in OPS+, a player with an OBP and SLG both 50% better than the league average in those metrics will have an OPS+ of 200 (twice the league average OPS+) while still having an OPS that is only 50% better than the average OPS of the league. It would be a better (although not exact) approximation to say that a player with an OPS+ of 150 produces 50% more "runs", in a given set of plate appearances than a player with an OPS+ of 100 (though see clarification above, under "History"). Leaders in OPS+. Through the end of the 2024 season, the career top twenty leaders in OPS+ (minimum 3,000 plate appearances) were: The only purely right-handed batters to appear on this list are Hornsby, Judge, Trout, Suttles, Browning, Foxx, McGwire, Orr, and Greenberg. Mantle is the only switch-hitter in the group.
The top ten single-season performances were: Criticism. Despite its simple calculation, OPS is a controversial measurement. OPS weighs on-base percentage and slugging percentage equally. However, on-base percentage correlates better with scoring runs. Statistics such as wOBA build on this distinction using linear weights. Additionally, the components of OPS are not typically equal (league-average slugging percentages are usually 75–100 points higher than league-average on-base percentages). As a point of reference, the OPS for all of Major League Baseball in 2024 was .711.
Stolen base In baseball, a stolen base occurs when a runner advances to a base unaided by other actions and the official scorer rules that the advance should be credited to the action of the runner. The umpires determine whether the runner is safe or out at the next base, but the official scorer rules on the question of credit or blame for the advance under Rule 10 (Rules of Scoring) of the MLB's Official Rules. A stolen base most often occurs when a base runner advances to the next base while the pitcher is pitching the ball to home plate. Successful base stealers must be fast and have good timing. Background. Ned Cuthbert, playing for the Philadelphia Keystones in either 1863 or 1865, was the first player to steal a base in a baseball game, although the term "stolen base" was not used until 1870. For a time in the 19th century, stolen bases were credited when a baserunner reached an extra base on a base hit from another player. For example, if a runner on first base reached third base on a single, it counted as a steal. In 1887, Hugh Nicol set a still-standing Major League record with 138 stolen bases, many of which would not have counted under modern rules. Modern steal rules were fully implemented in 1898.
Base stealing was popular in the game's early decades, with speedsters such as Ty Cobb and Clyde Milan stealing nearly 100 bases in a season. But the tactic fell into relative disuse after Babe Ruth introduced the era of the home run – in 1955, for example, no one in baseball stole more than 25 bases, and Dom DiMaggio won the AL stolen base title in 1950 with just 15. However, in the late 1950s and early 1960s, base-stealing was brought back to prominence primarily by Luis Aparicio and Maury Wills, who broke Cobb's modern single-season record by stealing 104 bases in 1962. Wills’ record was broken in turn by Lou Brock in 1974 and Rickey Henderson in 1982. The stolen base remained a popular tactic through the 1980s, perhaps best exemplified by Vince Coleman and the St. Louis Cardinals, but began to decline again in the 1990s as the frequency of home runs reached record heights and the steal-friendly artificial turf ballparks began to disappear.
Base-stealing technique. Baseball's Rule 8 (The Pitcher) specifies the pitching procedure in detail. For example, in the Set Position, the pitcher must "com[e] to a complete stop"; thereafter, "any natural motion associated with his delivery of the ball to the batter commits him to the pitch without alteration or interruption." A runner intending to "steal on the pitcher" breaks for the next base the moment the pitcher commits to pitch to home plate. The pitcher cannot abort the pitch and try to put the runner out; this is a balk under Rule 8. If the runner breaks too soon (before the pitcher is obliged to complete a pitch), the pitcher may throw to a base rather than pitch, and the runner may be tagged out between the bases. Past this moment, any delay in the runner's break makes it more likely that the catcher, after receiving the pitch, will be able to throw the runner out at the destination base. Before the pitch, the runner takes a "lead", walking several steps away from the base as a head start toward the next base. Even a runner who does not intend to steal takes a "secondary lead" of a few more steps, once the pitcher has legally committed to complete the pitch.
The pitcher may throw to the runner's base. The runner must return to that base or risk being tagged out. As well as putting the runner out, an underlying goal is to dissuade the runner from too big a lead; that is, to "hold the runner on" the original base. (Historically, this gambit could be used without limit. An MLB rules change in 2023 limited the pitcher to two throws; the pitcher must then pitch to the batter.) The more adept base stealers are proficient at "reading the pickoff", meaning that they can detect certain "tells" (tell-tale signs) in a pitcher's pre-pitch movements or mannerisms that indicate the pickoff attempt is or is not imminent. For example, one experienced base stealer noted that careless pitchers dig the toes of their back foot into the ground when they are about to pitch in order to get a better push off, but when they intend to turn and throw a pickoff, they do not. If a batted ball is caught on the fly, the runner must return to his original base. In this case, a runner trying to steal is more likely to be caught off his original base, resulting in a double play. This is a minor risk of a steal attempt. It is offset by the fact that a ground ball double play is less likely.
Plays involving baserunning. In the "hit-and-run play", coaches coordinate the actions of runner and batter. The runner tries to steal and the batter swings at almost any pitch, if only to distract the catcher. If the batter makes contact, the runner has a greater chance of reaching the next base; if the batter gets a base hit, the runner will likely be able to take an extra base. If the batter fails to hit the ball, the hit-and-run becomes a pure steal attempt. The less common cousin to the hit and run is the "run and hit" play. In the run and hit, the base runner attempts to advance when the pitcher commits the pitch to home plate, but the batter is instead directed to exercise his judgement as to whether or not to swing at the pitch. If the batter feels it is not advantageous to swing, AND he believes the base runner is very likely to succeed in the steal attempt, he does not swing. This play is typically utilized with elite base stealers and skilled batters only, wherein a highly experienced batsman is trusted to decide whether or not to "protect" the base runner. If the batter chooses not to swing, it becomes a pure steal attempt.
In the "delayed steal", the runner does not take advantage of the pitcher's duty to complete a pitch, but relies on surprise and takes advantage of any complacency by the fielders. The runner gives the impression he is not trying to steal, and does not break for the next base until the ball crosses the plate. It is rare for Major League defenses to be fooled, but the play is used effectively at the college level. The first delayed steal on record was performed by Miller Huggins in 1903. The delayed steal was famously practiced by Eddie Stanky of the Brooklyn Dodgers. Second base is the base most often stolen, because once a runner is on second base he is considered to be in "scoring position", meaning that he is expected to be able to run home and score on most routine singles hit into the outfield. Second base is also the easiest to steal, as it is farthest from home plate and thus a longer throw from the catcher is required to prevent it. Third base is a shorter throw for the catcher, but the runner is able to take a longer lead off second base and can leave for third base earlier against a left-handed pitcher.
Third base is a shorter throw for the catcher, but the runner is able to take a longer lead off second base and can leave for third base earlier against a left-handed pitcher. A steal of home plate is the riskiest, as the catcher only needs to tag out the runner after receiving the ball from the pitcher. It is difficult for the runner to cover the distance between the bases before the ball arrives home. Ty Cobb holds the records for most steals of home in a single season (8) as well as for a career (54). Steals of home are not officially recorded statistics, and must be researched through individual game accounts. Thus Cobb's totals may be even greater than is recorded. Jackie Robinson famously stole home in Game 1 of the 1955 World Series. Thirty-five games have ended with a runner stealing home, but only two have occurred since 1980. In a variation on the steal of home, the batter is signaled to simultaneously execute a sacrifice bunt, which results in the "squeeze play." The "suicide squeeze" is a squeeze in which the runner on third begins to steal home without seeing the outcome of the bunt; it is so named because if the batter fails to bunt, the runner will surely be out. which results in the "squeeze play." The "suicide squeeze" is a squeeze in which the runner on third begins to steal home without seeing the outcome of the bunt; it is so named because if the batter fails to bunt, the runner will surely be out. In contrast, when the runner on third does not commit until seeing that the ball is bunted advantageously, it is called a "safety squeeze."
In more recent years, most steals of home involve a "delayed double steal", in which a runner on first attempts to steal second, while the runner on third breaks for home as soon as the catcher throws to second base. If it is important to prevent the run from scoring, the catcher may hold on to the ball (conceding the steal of second) or may throw to the pitcher; this may deceive the runner at third and the pitcher may throw back to the catcher for the out. Statistics. In baseball statistics, stolen bases are denoted by "SB". Attempts to steal that result in the baserunner being out are "caught stealing" ("CS"). The sum of these statistics is "steal attempts." Successful steals as a percentage of total steal attempts is called the "success rate". The rule on stolen bases states that: Relative skill at stealing bases can be judged by evaluating either a player's total number of steals or the success rate. Noted statistician Bill James has argued that unless a player has a high success rate (67–70% or better), attempting to steal a base is detrimental to a team.
Comparing skill against players from other eras is problematic, because the definition has not been constant. Caught stealing was not recorded regularly until the middle of the 20th century. Ty Cobb, for example, was known as a great base-stealer, with 892 steals and a success rate of over 83%. However, the data on Cobb's caught stealing is missing from 12 seasons, strongly suggesting he was unsuccessful many more times than his stats indicate. Carlos Beltrán, with 286 steals, has the highest career success rate of all players with over 300 stolen base attempts, at 88.3%. Evolution of rules and scoring. The first mention of the stolen base as a statistic was in the 1877 scoring rules adopted by the National League, which noted credit toward a player's total bases when a base is stolen. It was not until 1886 that the stolen base appeared as something to be tracked, but was only to "appear in the summary of the game".
In 1892, a rule credited runners with stolen bases if a base runner advanced on a fly out, or if they advanced more than one base on any safe hit or attempted out, providing an attempt was made by the defense to put the runner out. The rule was rescinded in 1897. In 1898, stolen base scoring was narrowed to no longer include advancement in the event of a fielding error, or advancement caused by a hit batsman. 1904 saw an attempt to reduce the already wordy slew of rules governing stolen bases, with the stolen base now credited when "the advances a base unaided by a base hit, a put out, (or) a fielding or batter error." 1910 saw the first addressing of the double and triple steal attempts. Under the new rule, when any runner is thrown out, and the other(s) are successful, the successful runners will not be credited with a stolen base. Without using the term, 1920 saw the first rule that would be referred to today as defensive indifference, as stolen bases would not be credited, unless an effort was made to stop the runner by the defense. This is usually called if such is attempted in the ninth inning while that player's team is trailing, unless the runner represents the potential tying run. 1931 saw a further narrowing of the criteria for awarding a stolen base. Power was given to the official scorer, in the event of a muff by the catcher in throwing, that in the judgment of the scorer the runner would have been out, to credit the catcher with an error, and not credit the runner with a stolen base. Further, any successful steal on a play resulting in a wild pitch, passed ball, or balk would no longer be credited as a steal, even if the runner had started to steal before the play.
One of the largest rewrites to the rules in history came in 1950. The stolen base was specifically to be credited "to a runner whenever he advances one base unaided by a base hit, a putout, a forceout, a fielder's choice, a passed ball, a wild pitch, or a balk." There were noted exceptions, such as denying a stolen base to an otherwise successful steal as a part of a double or triple steal, if one other runner was thrown out in the process. A stolen base would be awarded to runners who successfully stole second base as a part of a double steal with a man on third, if the other runner failed to steal home, but instead was able to return safely to third base. Runners who are tagged out oversliding the base after an otherwise successful steal would not be credited with a stolen base. Indifference was also credited as an exception. Runners would now be credited with stolen bases if they had begun the act of stealing, and the resulting pitch was wild, or a passed ball. Finally, for 1950 only, runners would be credited with a stolen base if they were "well advanced" toward the base they were attempting to steal, and the pitcher is charged with a balk, with the further exception of a player attempting to steal, who would otherwise have been forced to advance on the balk by a runner behind them. This rule was removed in 1951.
A clarification came in 1955 that awarded a stolen base to a runner even if he became involved in a rundown, provided he evaded the rundown and advanced to the base he intended to steal. The criteria for "caught stealing" were fine-tuned in 1979, with a runner being charged with being caught if he is put out while trying to steal, overslides a base (otherwise successfully stolen), or is picked off a base and tries to advance to the next base. It is explicitly not caught stealing to be put out after a wild pitch or passed ball. In 2023, base stealing increased due to new rules affecting pitchers: A pitch clock limited the amount of time a pitcher had to pitch and pickoff attempts were limited to two per at-bat. In addition, the bases were enlarged from to , making stealing slightly easier. "Stealing first". While not recorded as a stolen base, the same dynamic between batter/runner and defense is on display in the case of an uncaught third strike. The batter/runner can avoid an out and become a baserunner by reaching first base ahead of the throw. This case is a strikeout that is not an out; the batter/runner's acquisition of first base is scored as a passed ball, a wild pitch, or an error.
In baseball's earlier decades, a runner on second base could "steal" first base, perhaps with the intention of drawing a throw that might allow a runner on third to score (a tactic famously employed by Germany Schaefer). However, such a tactic was not recorded as a stolen base. MLB rules now forbid running clockwise on the basepaths to "confuse the defense or make a travesty of the game". Further, after the pitcher assumes the pitching position, runners cannot return to any previous base. In a game on August 16, 1987, Toronto Blue Jays center fielder Lloyd Moseby successfully stole second base on a throwing error by Chicago White Sox catcher Carlton Fisk that went well into center field. However, shortstop Ozzie Guillen faked as if the batter had hit a popfly, which would have required Moseby to return to first base to avoid getting doubled off. Moseby made it back to first base, but another throwing error sent the ball to the infield wall, giving Moseby another chance to steal second, which he did. This chaos led the announcer to say, "He doesn't know where the throw is; he's going back to first base! Is he going to steal first? He steals first! Now he's going to steal second again! I've never seen it before!" This bizarre play was officially scored as a baserunner advancing on a throwing error by the center fielder, ironically resulting in neither a stolen base awarded nor an error charged to the catcher.
In a game on April 19, 2013, Milwaukee Brewers shortstop Jean Segura stole second base in the bottom of the eighth inning. After the batter up, Ryan Braun, walked, Segura broke early for third base and the pitcher, Shawn Camp of the Chicago Cubs, threw ahead of him. As Segura was chased back to second base, Braun advanced to second as well and was tagged out. Segura, thinking "he" was out, began to return to the home dugout behind first base, but first base coach Garth Iorg directed him to stand at first. Segura had not intentionally run the bases backwards as a deception or mockery, but no fielder tried to tag him out. Later in the inning, he attempted to steal second for the second time, but was thrown out by catcher Welington Castillo. The expression "You can't steal first base" is sometimes used in reference to a player who is fast but not very good at getting on base in the first place. Former Pittsburgh Pirates and Seattle Mariners manager Lloyd McClendon is jokingly referred to as having "stolen first" in a June 26, 2001, game as the manager of the Pirates: after being ejected for disputing a call at first base, he yanked the base out of the ground and left the field with it, delaying the game. Of the incident, McClendon said "I told him he wasn't using it, so I thought I'd take it." When a groundskeeper came out to replace the bag, the crowd booed him.
The independent Atlantic League instituted a new rule for the second half of the 2019 season, allowing batters to become runners on any pitch not "caught in flight" by the catcher, as they can throughout baseball after most uncaught third strikes. On July 13, 2019, outfielder Tony Thomas of the Southern Maryland Blue Crabs became the first player to reach first base under this rule. The press described this as "stealing first base", though it is scored as described above.
Plate appearance In baseball, a player is credited with a plate appearance (denoted by PA) each time he completes a turn batting. Under Rule 5.04(c) of the Official Baseball Rules, a player completes a turn batting when he is put out or becomes a runner. This happens when he strikes out or is declared out before reaching first base; or when he reaches first base safely or is awarded first base (by a base on balls, hit by pitch, catcher's interference, or obstruction); or when he hits a fair ball which causes a preceding runner to be put out for the third out before he himself is put out or reaches first base safely ("see also" left on base, fielder's choice, force play). A very similar baseball statistic, at bats, counts a subset of plate appearances that end under certain circumstances. Use as batting record qualifier. At bats - rather than plate appearances - are used to calculate batting averages, slugging percentages. However, starting in 1957, at season's end a player must have accumulated a minimum number of plate appearances during a season to be ranked as a league-leader in certain statistical categories. For batting championships in MLB, this number is 3.1 plate appearances multiplied by the number of scheduled games in a season, rounded up or down to the nearest whole number. As of 2024, with a 162-game regular season, this means 502 plate appearances are required to qualify. A lesser criterion applies in the minor leagues, with 2.7 plate appearances per game required to qualify.
For example, Player A gets 100 hits in 400 at bats over 510 plate appearances, which works out to a .250 batting average (equivalent to one hit in every four at-bats). Alternatively, Player B gets 110 hits in 400 at bats over 490 plate appearances during the same season, finishing with a .275 batting average. Player B, even though he had the same amount of at bats as Player A and even though his batting average is higher, will not be eligible for certain percentage-based season-ending rankings because he did not accumulate the required 502 plate appearances, while Player A did and therefore will be eligible. There is, however, an exception: Exception for batting titles. Rule 9.22(a) of the Official Baseball Rules make a single allowance to the minimum requirement of 502 plate appearances for the purposes of determining the batting, slugging or on-base percentage title. If a player: he will win that title, but with his original statistic (before the extra at bats were added). In the example above, Player B is 12 plate appearances short of the required 502, but were he be charged with 12 additional unproductive at bats, he would go 110-for-412 for a batting average of .267. If no one else has a batting average (similarly modified if appropriate) higher than .267, player B will be awarded the batting title (with his original batting average of .275) despite the lack of 502 plate appearances.
In a real-life example, in 2012, Melky Cabrera, then of the San Francisco Giants, finished the season with a league-high .346 batting average, but he had only 501 plate appearances, one short of the required 502. Per the rule, he would have won the batting title because after an extra at bat is added and his batting average recalculated, he still would have led the league in batting average. Cabrera's case, however, turned out differently. The reason Cabrera finished the season with only 501 plate appearances was because he was suspended in mid-August when he tested positive for illegal performance-enhancing drugs. Cabrera was still eligible for that extra at bat, but he requested that the extra at bat not be added to his total, and that he not be considered for the batting crown, because he admitted that his use of performance-enhancing drugs had given him an unfair advantage over other players. As a result, Cabrera's name is nowhere to be found on the list of 2012 National League batting leaders. Scoring. A batter is not credited with a plate appearance if, while batting, a preceding runner is put out on the basepaths for the third out in a way other than by the batter putting the ball into play (i.e., picked off, caught stealing). In this case, the same batter continues his turn batting in the next inning with no balls or strikes against him.
A batter is not credited with a plate appearance if, while batting, the game ends as the winning run scores from third base on a balk, stolen base, wild pitch or passed ball. A batter may or may not be credited with a plate appearance (and possibly at bat) in the rare instance when he is replaced by a pinch hitter after having already started his turn at bat. Under Rule 9.15(b), the pinch hitter would receive the plate appearance (and potential of an at-bat) unless the original batter is replaced when having 2 strikes against him and the pinch hitter subsequently completes the strikeout, in which case the plate appearance and at-bat are charged to the first batter. Relation to at bat. Under Official Baseball Rule 9.02(a)(1), an at bat results from a completed plate appearance, unless the batter: In common parlance, the term "at bat" is sometimes used to mean "plate appearance" (for example, "he fouled off the ball to keep the "at bat" alive"). The intent is usually clear from the context, although the term "official at bat" is sometimes used to explicitly refer to an "at bat" as distinguished from a "plate appearance". However, terms such as "turn at bat" or "time at bat" are synonymous with "plate appearance".
"Time at bat" in the rulebook. Official Baseball Rule 5.06(c) provides that "[a] batter has legally completed his "time at bat" when he is put out or becomes a runner" (emphasis added). The "time at bat" defined in this rule is more commonly referred to as a plate appearance, and the playing rules (Rules 1 through 8) uses the phrase "time at bat" in this sense (e.g. Rule 5.04(a)(3), which states that "[t]he first batter in each inning after the first inning shall be the player whose name follows that of the last player who legally completed his "time at bat" in the preceding inning" (emphasis added)). In contrast, the scoring rules uses the phrase "time at bat" to refer to the statistic at bat, defined in Rule 9.02(a)(1), but sometimes uses the phrase "official time at bat" or refers back to Rule 9.02(a)(1) when mentioning the statistic. The phrase "plate appearance" is used in Rules 9.22 and 9.23 dealing with batting titles and hitting streaks, and in Rule 5.10(g) Comment in relation to the Three-Batter Minimum: "[t]o qualify as one of three consecutive batters, the batter must complete his "plate appearance", which ends only when the batter is put out or becomes a runner." (emphasis added) The term is not elsewhere defined in the rulebook.
In on-base percentage. Plate appearances are a primary component in calculating on-base percentage (OBP), an alternative measurement of a player's offensive performance, but are not the only one in determining its denominator. By rule, certain plate appearances, such as times reached base via either catcher's interference or fielder's obstruction or sacrifice bunts, are excluded from it, leaving the denominator determined instead as the sum of at-bats, walks, hit-by-pitches, and sacrifice flies. And the numerator represented by a batter's times on base (composed of the sum of hits, base on balls, and times hit by pitch). Other uses. Plate appearances are used by scorers for "proving" a box score. Under Rule 9.03(c), the following two items should be equal for each team, because each is equal to the team's total number of plate appearances:
Games played Games played (GP) is a statistic used in team sports to indicate the total number of games in which a player has participated (in any capacity); the statistic is generally applied irrespective of whatever portion of the game is contested. Association football. In association football, a game played is counted if a player is in the starting 11, or if a reserve player enters the game before full-time. Baseball. In baseball, the statistic applies to players, who prior to a game, are included on a starting lineup card or are announced as an "ex ante" substitute, whether or not they play. For pitchers only, the statistic games pitched is used. A notable example of the application of the above rule is pitcher Larry Yount, who suffered an injury while throwing warmup pitches after being summoned as a reliever in a Major League Baseball (MLB) game on September 15, 1971. He did not face a batter, but was credited with an appearance because he had been announced as a substitute. Yount never appeared in (or actually played in) any other MLB game. Basketball. Robert Parish has the NBA record for most regular season games played, with 1,611. A. C. Green has the NBA record for most consecutive games played, with 1,192.
Boogie Down Productions Boogie Down Productions (BDP) was an American hip-hop group formed in the Bronx, New York City, in 1986. It originally consisted of KRS-One, D-Nice, and DJ Scott La Rock. DJ Scott La Rock was murdered on August 27, 1987, five months after the release of BDP's debut album, "Criminal Minded". The name of the group, Boogie Down, derives from a nickname for the South Bronx. The group pioneered the fusion of dancehall reggae and hip-hop music, and their debut LP "Criminal Minded" contains frank descriptions of life in the South Bronx during the late 1980s. Members. BDP's membership changed throughout its existence, the only constant being KRS-One. The group was founded by KRS-One and DJ Scott La Rock, with producer Lee Smith, who was essential in the production of the songs on "Criminal Minded", being added as a member shortly after. From those beginnings, BDP members and collaborators included Ced Gee of Ultramagnetic MC's, Lee Smith, Scott La Rock, D-Nice, Henry Wilkerson PoppyDa, Kenny Parker (KRS-One's younger brother), Just-Ice, ICU, McBoo, Ms. Melodie, Heather B., Scottie Morris, Tony Rahsan, Willie D., RoboCop, Harmony, DJ Red Alert, Jay Kramer, D-Square, Rebekah Foster, Scott Whitehill, Scott King, Chris Tait and Sidney Mills. BDP as a group essentially ended because KRS-One began recording and performing under his own name rather than the group name. Lee Smith, who has co-producer credit on the original 12" "South Bronx" single, was the first to be jettisoned by KRS-One and the future new label after Scott's death.
In the liner notes on BDP's 1992 album "Sex and Violence", KRS-One writes: "BDP in 1992 is KRS-One, Willie D, and Kenny Parker! BDP is not D-Nice, Jamal-Ski, Harmony, Ms. Melodie, and Scottie Morris. They are not down with BDP so stop frontin'." Steve "Flash" Juon of RapReviews.com claimed that this initiated the ultimate breakup of the group. Cultural influences and impact. "The Bridge Wars". A conflict arose in the late 1980s concerning the origins of hip-hop, and BDP made conscious efforts in its early work to establish its interpretation of the issue. The origins of hip-hop to many, including BDP, are believed to be from the Bronx. A rival hip-hop collective, known as the Juice Crew's lyrics, were misunderstood to contain a claim in the song "The Bridge" that hip hop was directly a result of artists originating from Queensbridge. Boogie Down and KRS retorted angrily with songs such as "The Bridge is Over" and "South Bronx," which started one of the first notable hip hop wars as MC Shan, Marley Marl, Roxanne Shanté and Blaq Poet all released songs featuring verses personally attacking KRS and Scott La Rock. But the Bridge Wars were short-lived, and after Scott La Rock's death, KRS began to concentrate on socially conscious music.
While "Criminal Minded" contained vivid descriptions of South Bronx street life, BDP changed after Scott's death. Lee Smith was dropped and KRS-One adopted the Teacha moniker and made a deliberate attempt at creating politically and socially conscious hip-hop. BDP was influential in provoking political and social consciousness in hip-hop, for example in "Stop The Violence" on 1988's "By All Means Necessary". Jamaican inspirations. The Jamaican influence in "Criminal Minded" is well illustrated by the use of the "Mad Mad" or "Diseases" riddim started in 1981 with reggae star Yellowman's song "Zunguzunguzeng." BDP used this riff in the song "Remix for P is Free," and it was later resampled by artists such as Black Star and dead prez. As an album regarded by many as the start of the gangsta rap movement, "Criminal Minded" played an important role in reaffirming the social acceptance of having Jamaican roots. BDP referenced reggae in a way that helped to solidify Jamaica's place in modern hip-hop culture. Political and social activism.
From its start, BDP affected the development of hip-hop and gave a sincere voice to the reality of life in the South Bronx, a section of New York City clouded with poverty and crime. With "Criminal Minded", the group combined the sounds of LaRock's harsh, spare, reggae-influenced beats and KRS-One's long-winded rhyme style on underground classics such as "9mm Goes Bang" and "South Bronx," the album's gritty portrait of life on the streets (as well as the firearms that adorned its cover) influenced the gangsta rap movement that began in earnest two years later. BDP's influence in the creation and development of gangsta rap highlights the cultural significance and impact of the type of music BDP and other early hip-hop artists like it created. This subgenre of hip-hop is most closely associated with hard-core hip-hop and is widely misinterpreted as promoting violence and gang activity. This misinterpretation or stigma is closely related to Boogie Down Productions and the general purpose behind their underlying themes of violence. For instance, the cover art of "Criminal Minded" displays the two artists in the group brandishing drawn guns and displaying other firearms. This is not an encouragement of the violence described in BDP's music, but a portrayal of the violence in the South Bronx as a means of expression, escape, and even condemnation. This album art is not meant to advocate violence but to challenge the conception of a criminal, to assert that those who are really criminally minded are those who hold power.