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| Career Post-Season Winning Pct Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Winning Pct | IP | Years | Single Season Leaderboard |
| 1. | Harry Robin | .8571 | 58.3 | 1953-1954 | |
| 2. | Donald Phillips | .7143 | 73.0 | 1954-1955 | |
| Jason Williams | .7143 | 63.7 | 1952-1953 | ||
| 4. | Carl Nicosia | .6250 | 84.3 | 1952-1955 | |
| 5. | Fabian Cordova | .5000 | 78.3 | 1952-1955 | |
| Cameron Hagans | .5000 | 35.0 | 1953-1953 | ||
| 7. | Michael Sturges | .3333 | 54.0 | 1952-1954 | |
| 8. | Antonio Padula | .2500 | 38.3 | 1952-1953 | |
| 9. | Dante Ruiz | .1429 | 55.7 | 1952-1954 | |
| 10. | Pat Ogren | .0000 | 21.3 | 1953-1953 |
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