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| Career Post-Season Losses Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Losses | IP | Years | Single Season Leaderboard |
| 1. | Bobby Grimes | 8 | 187.0 | 2009-2014 | |
| Nicholas Lenard | 8 | 76.0 | 2009-2014 | ||
| 3. | Felix Murff | 5 | 143.6 | 2009-2014 | |
| Bryan Kaplan | 5 | 80.3 | 2009-2014 | ||
| Brent Harrison | 5 | 72.7 | 2009-2012 | ||
| 6. | Pedro Ramirez | 4 | 120.0 | 2010-2014 | |
| John McClary | 4 | 75.3 | 2012-2014 | ||
| Steven Yingling | 4 | 64.3 | 2009-2014 | ||
| Ryan Stacy | 4 | 61.7 | 2009-2014 | ||
| Andre Morales | 4 | 55.7 | 2010-2014 | ||
| Ernesto Nazario | 4 | 26.0 | 2012-2014 | ||
| Larry Ensminger | 4 | 49.0 | 2011-2013 | ||
| Kevin Whitford | 4 | 48.0 | 2009-2013 | ||
| Larry Asmus | 4 | 12.3 | 2011-2013 | ||
| Isidro Valles | 4 | 59.3 | 2009-2012 | ||
| Glen Bee | 4 | 25.0 | 2009-2012 | ||
| Phillip Nuss | 4 | 19.7 | 2009-2012 | ||
| 18. | Manny Guerro | 3 | 31.0 | 2013-2014 | |
| Joshua Barber | 3 | 27.3 | 2014-2014 | ||
| Lloyd Warren | 3 | 22.3 | 2010-2014 | ||
| John Campbell | 3 | 21.7 | 2009-2014 | ||
| Angel Rodriguez | 3 | 72.3 | 2010-2013 | ||
| Brett Gann | 3 | 18.7 | 2010-2013 | ||
| Theodore Wilson | 3 | 48.0 | 2011-2012 | ||
| Pedro Moreno | 3 | 46.7 | 2010-2012 | ||
| Ralph Hecker | 3 | 29.3 | 2009-2012 | ||
| Travis Boyd | 3 | 23.0 | 2009-2012 | ||
| James Volkert | 3 | 48.7 | 2009-2011 | ||
| Blaine McDonald | 3 | 21.0 | 2009-2011 | ||
| 30. | Jamie Coop | 2 | 93.7 | 2009-2014 | |
| Bill Hyer | 2 | 50.6 | 2009-2014 | ||
| Marcus Dinges | 2 | 46.3 | 2011-2014 | ||
| Claude McNeely | 2 | 43.7 | 2012-2014 | ||
| Felix Corchado | 2 | 35.7 | 2010-2014 | ||
| Eric Alba | 2 | 34.3 | 2010-2014 | ||
| Salvador Sanchez | 2 | 32.3 | 2010-2014 | ||
| Pedro Galindo | 2 | 28.3 | 2012-2014 | ||
| Carlos Molina | 2 | 23.0 | 2010-2014 | ||
| Vernan Powell | 2 | 16.7 | 2013-2014 | ||
| Thomas Akers | 2 | 16.7 | 2013-2014 | ||
| Raul Vargo | 2 | 14.7 | 2014-2014 | ||
| Richard Persinger | 2 | 9.7 | 2010-2014 | ||
| Marcus Reiley | 2 | 8.3 | 2009-2014 | ||
| Isogorou Chomei | 2 | 65.3 | 2009-2013 | ||
| Michael Munroe | 2 | 47.3 | 2009-2013 | ||
| Robert Carson | 2 | 42.0 | 2011-2013 | ||
| Ruperto Hernandez | 2 | 37.3 | 2009-2013 | ||
| David Rivera | 2 | 23.3 | 2010-2013 | ||
| Ronald Koenig | 2 | 22.7 | 2013-2013 | ||
| Cedric Monasterio | 2 | 16.0 | 2011-2013 |
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