| <table border="1"> | |
| <tr><td>No.</td><td>Date</td><td>Tournament</td><td>Winning score</td><td>Margin of victory</td><td>Runner(s)-up</td></tr> | |
| <tr><td>1</td><td>3 Jun 1984</td><td>Kemper Open</td><td>−8 (68-68-71-73=280)</td><td>5 strokes</td><td>United States Mark O'Meara</td></tr> | |
| <tr><td>2</td><td>1 Jul 1984</td><td>Canadian Open</td><td>−10 (73-68-70-67=278)</td><td>2 strokes</td><td>United States Jack Nicklaus</td></tr> | |
| <tr><td>3</td><td>4 May 1986</td><td>Panasonic Las Vegas Invitational</td><td>−27 (73-63-68-64-65=333)</td><td>7 strokes</td><td>United States Dan Pohl</td></tr> | |
| <tr><td>4</td><td>1 Jun 1986</td><td>Kemper Open (2)</td><td>−11 (72-69-70-66=277)</td><td>Playoff</td><td>United States Larry Mize</td></tr> | |
| <tr><td>5</td><td>20 Jul 1986</td><td>The Open Championship</td><td>Even (74-63-74-69=280)</td><td>5 strokes</td><td>England Gordon J. Brand</td></tr> | |
| <tr><td>6</td><td>17 Apr 1988</td><td>MCI Heritage Golf Classic</td><td>−13 (65-69-71-66=271)</td><td>1 stroke</td><td>South Africa David Frost, United States Gil Morgan</td></tr> | |
| <tr><td>7</td><td>20 Aug 1989</td><td>The International</td><td>13 points (5-4-11-13)</td><td>2 points</td><td>United States Clarence Rose</td></tr> | |
| <tr><td>8</td><td>3 Sep 1989</td><td>Greater Milwaukee Open</td><td>−19 (64-69-66-70=269)</td><td>3 strokes</td><td>United States Andy Bean</td></tr> | |
| <tr><td>9</td><td>4 Mar 1990</td><td>Doral-Ryder Open</td><td>−15 (68-73-70-62=273)</td><td>Playoff</td><td>United States Tim Simpson, United States Mark Calcavecchia, United States Paul Azinger</td></tr> | |
| <tr><td>10</td><td>13 May 1990</td><td>Memorial Tournament</td><td>Even (73-74-69=216)</td><td>1 stroke</td><td>United States Payne Stewart</td></tr> | |
| <tr><td>11</td><td>13 Sep 1992</td><td>Canadian Open (2)</td><td>−8 (73-66-71-70=280)</td><td>Playoff</td><td>United States Bruce Lietzke</td></tr> | |
| <tr><td>12</td><td>7 Mar 1993</td><td>Doral-Ryder Open (2)</td><td>−23 (65-68-62-70=265)</td><td>4 strokes</td><td>United States Paul Azinger, United States Mark McCumber</td></tr> | |
| <tr><td>13</td><td>18 Jul 1993</td><td>The Open Championship (2)</td><td>−13 (66-68-69-64=267)</td><td>2 strokes</td><td>England Nick Faldo</td></tr> | |
| <tr><td>14</td><td>27 Mar 1994</td><td>The Players Championship</td><td>−24 (63-67-67-67=264)</td><td>4 strokes</td><td>United States Fuzzy Zoeller</td></tr> | |
| <tr><td>15</td><td>4 Jun 1995</td><td>Memorial Tournament (2)</td><td>−19 (66-70-67-66=269)</td><td>4 strokes</td><td>United States Mark Calcavecchia, United States David Duval, Australia Steve Elkington</td></tr> | |
| <tr><td>16</td><td>25 Jun 1995</td><td>Canon Greater Hartford Open</td><td>−13 (67-64-65-71=267)</td><td>2 strokes</td><td>United States Dave Stockton, Jr., United States Kirk Triplett, New Zealand Grant Waite</td></tr> | |
| <tr><td>17</td><td>27 Aug 1995</td><td>NEC World Series of Golf</td><td>−2 (73-68-70-67=278)</td><td>Playoff</td><td>United States Billy Mayfair, Zimbabwe Nick Price</td></tr> | |
| <tr><td>18</td><td>3 Mar 1996</td><td>Doral-Ryder Open (3)</td><td>−19 (67-69-67-66=269)</td><td>2 strokes</td><td>United States Michael Bradley, Fiji Vijay Singh</td></tr> | |
| <tr><td>19</td><td>29 Jun 1997</td><td>FedEx St. Jude Classic</td><td>−16 (68-65-69-66=268)</td><td>1 stroke</td><td>United States Dudley Hart</td></tr> | |
| <tr><td>20</td><td>24 Aug 1997</td><td>NEC World Series of Golf (2)</td><td>−7 (68-68-70-67=273)</td><td>4 strokes</td><td>United States Phil Mickelson</td></tr> | |
| </table> | |