| franchise_id,franchise_name,active,na_assoc | |
| ALT,Altoona Mountain City,N, | |
| ANA,Los Angeles Angels of Anaheim,Y, | |
| ARI,Arizona Diamondbacks,Y, | |
| ATH,Philadelphia Athletics,N,PNA | |
| ATL,Atlanta Braves,Y,BNA | |
| BAL,Baltimore Orioles,Y, | |
| BFB,Buffalo Bisons,N, | |
| BFL,Buffalo Bisons,N, | |
| BLC,Baltimore Canaries,, | |
| BLO,Baltimore Orioles,N, | |
| BLT,Baltimore Terrapins,N, | |
| BLU,Baltimore Monumentals,N, | |
| BNA,Boston Red Stockings,,ATL | |
| BOS,Boston Red Sox,Y, | |
| BRA,Brooklyn Atlantics,, | |
| BRD,Boston Reds,N, | |
| BRG,Brooklyn Gladiators,N, | |
| BRS,Boston Reds,N, | |
| BTT,Brooklyn Tip-Tops,N, | |
| BUF,Buffalo Bisons,N, | |
| BWW,Brooklyn Ward's Wonders,N, | |
| CBK,Columbus Buckeyes,N, | |
| CBL,Cleveland Blues,N, | |
| CEN,Philadelphia Centennials,, | |
| CFC,Cleveland Forest Citys,, | |
| CHC,Chicago Cubs,Y,CNA | |
| CHH,Chicago Whales,N, | |
| CHP,Chicago Pirates,N, | |
| CHW,Chicago White Sox,Y, | |
| CIN,Cincinnati Reds,Y, | |
| CKK,Cincinnati Kelly's Killers,N, | |
| CLE,Cleveland Indians,Y, | |
| CLI,Cleveland Infants,N, | |
| CLS,Columbus Solons,N, | |
| CLV,Cleveland Spiders,N, | |
| CNA,Chicago White Stockings,,CHC | |
| CNR,Cincinnati Reds,N, | |
| COL,Colorado Rockies,Y, | |
| COR,Cincinnati Outlaw Reds,N, | |
| CPI,Chicago/Pittsburgh (Union League),N, | |
| DET,Detroit Tigers,Y, | |
| DTN,Detroit Wolverines,N, | |
| ECK,Brooklyn Eckfords,, | |
| FLA,Florida Marlins,Y, | |
| HAR,Hartford Dark Blues,N,HNA | |
| HNA,Hartford Dark Blues,,HAR | |
| HOU,Houston Astros,Y, | |
| IBL,Indianapolis Blues,N, | |
| IHO,Indianapolis Hoosiers,N, | |
| IND,Indianapolis Hoosiers,N, | |
| KCC,Kansas City Cowboys,N, | |
| KCN,Kansas City Cowboys,N, | |
| KCP,Kansas City Packers,N, | |
| KCR,Kansas City Royals,Y, | |
| KCU,Kansas City Cowboys,N, | |
| KEK,Fort Wayne Kekiongas,, | |
| LAD,Los Angeles Dodgers,Y, | |
| LGR,Louisville Grays,N, | |
| LOU,Louisville Colonels,N, | |
| MAN,Middletown Mansfields,, | |
| MAR,Baltimore Marylands,, | |
| MIL,Milwaukee Brewers,Y, | |
| MIN,Minnesota Twins,Y, | |
| MLA,Milwaukee Brewers,N, | |
| MLG,Milwaukee Grays,N, | |
| MLU,Milwaukee Brewers,N, | |
| NAT,Washington Nationals,, | |
| NEW,Newark Pepper,N, | |
| NHV,New Haven Elm Citys,, | |
| NNA,New York Mutuals,,NYU | |
| NYI,New York Giants,N, | |
| NYM,New York Mets,Y, | |
| NYP,New York Metropolitans,N, | |
| NYU,New York Mutuals,N,NNA | |
| NYY,New York Yankees,Y, | |
| OAK,Oakland Athletics,Y, | |
| OLY,Washington Olympics,, | |
| PBB,Pittsburgh Burghers,N, | |
| PBS,Pittsburgh Rebels,N, | |
| PHA,Philadelphia Athletics,N, | |
| PHI,Philadelphia Phillies,Y, | |
| PHK,Philadelphia Keystones,N, | |
| PHQ,Philadelphia Athletics,N, | |
| PIT,Pittsburgh Pirates,Y, | |
| PNA,Philadelphia Athletics,,ATH | |
| PRO,Providence Grays,N, | |
| PWS,Philadelphia White Stockings,, | |
| RES,Elizabeth Resolutes,, | |
| RIC,Richmond Virginians,N, | |
| ROC,Rochester Broncos,N, | |
| ROK,Rockford Forest Citys,, | |
| SBS,St. Louis Brown Stockings,N,SNA | |
| SDP,San Diego Padres,Y, | |
| SEA,Seattle Mariners,Y, | |
| SFG,San Francisco Giants,Y, | |
| SLI,St. Louis Terriers,N, | |
| SLM,St. Louis Maroons,N, | |
| SLR,St. Louis Red Stockings,, | |
| SNA,St. Louis Brown Stockings,,SBS | |
| STL,St. Louis Cardinals,Y, | |
| STP,St. Paul Apostles,N, | |
| SYR,Syracuse Stars,N, | |
| SYS,Syracuse Stars,N, | |
| TBD,Tampa Bay Rays,Y, | |
| TEX,Texas Rangers,Y, | |
| TLM,Toledo Maumees,N, | |
| TOL,Toledo Blue Stockings,N, | |
| TOR,Toronto Blue Jays,Y, | |
| TRO,Troy Haymakers,, | |
| TRT,Troy Trojans,N, | |
| WAS,Washington Senators,N, | |
| WBL,Washington Blue Legs,, | |
| WES,Keokuk Westerns,, | |
| WIL,Wilmington Quicksteps,N, | |
| WNA,Washington Nationals,N, | |
| WNL,Washington Nationals,N, | |
| WNT,Washington Nationals,, | |
| WOR,Worcester Ruby Legs,N, | |
| WSN,Washington Nationals,Y, | |
| WST,Washington Statesmen,N, | |