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| Career Post-Season OOBP Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | OOBP | IP | Years | Single Season Leaderboard |
| 1. | Russell Serra | .1728 | 23.0 | 2001-2004 | |
| 2. | Pete Leighburn | .1875 | 22.0 | 2027-2028 | |
| 3. | Edgardo Castillo * | .1931 | 79.7 | 2004-2015 | |
| 4. | Alfredo Jurez | .2000 | 23.3 | 2027-2029 | |
| 5. | Leonard Magnan | .2041 | 27.3 | 2014-2018 | |
| 6. | James Yim * | .2074 | 124.0 | 2005-2012 | |
| 7. | Lamar Fox | .2137 | 33.7 | 2014-2021 | |
| 8. | Amor Aguaijo | .2170 | 27.3 | 2021-2028 | |
| 9. | Gilbert Giglio | .2188 | 59.3 | 2018-2026 | |
| 10. | Larry Burkholder | .2318 | 80.0 | 2012-2023 | |
| 11. | Ryan Turner * | .2325 | 288.0 | 2002-2021 | |
| 12. | Kelvin Palen | .2344 | 70.0 | 2004-2006 | |
| 13. | Donald Granger * | .2353 | 23.0 | 2004-2013 | |
| 14. | Thomas Burleson | .2391 | 25.3 | 2011-2019 | |
| 15. | Dmitrij Mitskevich | .2396 | 86.3 | 2002-2005 | |
| 16. | Lee Jarboe | .2421 | 24.3 | 2001-2007 | |
| 17. | Deangelo Ramos * | .2423 | 76.0 | 2006-2019 | |
| 18. | Ben Lamela | .2431 | 263.0 | 2009-2022 | |
| 19. | Kevin Smith | .2444 | 82.0 | 2021-2029 | |
| 20. | Lowell Stang * | .2463 | 104.0 | 2010-2018 | |
| 21. | Denny Truman | .2472 | 23.7 | 2023-2029 | |
| 22. | Jewel Brown | .2476 | 27.7 | 2002-2010 | |
| 23. | Thomas Mercier | .2482 | 34.0 | 2012-2018 | |
| 24. | Donte Dasilva | .2488 | 54.3 | 2007-2013 | |
| 25. | John Cobham | .2500 | 21.3 | 2017-2025 | |
| Randall Spates | .2500 | 33.7 | 2007-2015 | ||
| Steven Williams * | .2500 | 29.7 | 2008-2008 | ||
| 28. | Richard Eaker | .2519 | 33.3 | 2000-2002 | |
| 29. | Osvaldo Pedraza | .2521 | 92.7 | 2006-2015 | |
| 30. | Leo Cleland * | .2531 | 246.3 | 2006-2014 | |
| 31. | Albert Olmos | .2532 | 20.7 | 2001-2012 | |
| 32. | Xalbador Laguna | .2538 | 67.7 | 2020-2029 | |
| 33. | Joseph Holland | .2544 | 28.0 | 2006-2020 | |
| 34. | J.J. Cobb | .2544 | 102.7 | 2011-2014 | |
| 35. | Chris Curcio | .2549 | 26.7 | 2010-2014 | |
| 36. | Clarence McNatt * | .2560 | 245.3 | 2003-2017 | |
| 37. | Joseph Seybert | .2562 | 31.3 | 2003-2003 | |
| 38. | Michael Welch | .2564 | 50.0 | 2000-2017 | |
| 39. | Soutarou Seika | .2568 | 65.3 | 2021-2023 | |
| 40. | Kelly Giuliani | .2574 | 25.3 | 2002-2004 | |
| 41. | Paul Harrington | .2590 | 63.7 | 2002-2006 | |
| 42. | Eneas Reigosa | .2597 | 44.3 | 2026-2029 | |
| 43. | David Echegaray | .2601 | 213.3 | 2004-2023 | |
| 44. | Tony Kirkland | .2604 | 25.0 | 2018-2020 | |
| Ringo Russmyer | .2604 | 25.0 | 2008-2008 | ||
| 46. | Darryl Leekong | .2613 | 73.3 | 2011-2025 | |
| 47. | Carmelo Zarzuela | .2614 | 21.7 | 2021-2025 | |
| 48. | David Evans | .2619 | 22.0 | 2001-2002 | |
| 49. | Harry Kirton | .2620 | 89.0 | 2024-2029 | |
| 50. | Rafael Souza | .2621 | 105.3 | 2004-2017 |
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