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| Career Post-Season Batting Average Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Batting Average | PA | Years | Single Season Leaderboard |
| 1. | Eric Algarin | .4043 | 106 | 2003-2012 | |
| 2. | Donnie Loftin | .4000 | 61 | 2021-2025 | |
| Brandon Hollingshead | .4000 | 40 | 2000-2000 | ||
| 4. | Valentin Serna | .3837 | 95 | 2024-2029 | |
| 5. | Jose Decambra | .3793 | 65 | 2012-2016 | |
| 6. | Garth Walker | .3788 | 137 | 2022-2029 | |
| 7. | Mauricio Decosta | .3766 | 87 | 2002-2011 | |
| 8. | Mark Edgin | .3750 | 43 | 2000-2001 | |
| 9. | Ramon Morelli | .3667 | 66 | 2002-2002 | |
| 10. | John Surette | .3636 | 46 | 2002-2008 | |
| 11. | Tom Galaxy | .3626 | 295 | 2021-2028 | |
| 12. | Mark Delia * | .3618 | 598 | 2004-2016 | |
| 13. | Bob Jahn | .3596 | 98 | 2017-2020 | |
| 14. | John Carsswell | .3556 | 50 | 2019-2019 | |
| 15. | Richard Ruffner | .3537 | 92 | 2002-2003 | |
| 16. | Cedrick Colon | .3521 | 79 | 2002-2006 | |
| 17. | Aaron Slaughter | .3512 | 313 | 2012-2024 | |
| 18. | Mack Findler | .3492 | 72 | 2016-2019 | |
| 19. | Max Cruz | .3429 | 113 | 2003-2010 | |
| 20. | Bernard Ramos | .3421 | 41 | 2000-2002 | |
| 21. | Noe Brixner | .3417 | 253 | 2014-2020 | |
| 22. | Xever Sedillo | .3400 | 108 | 2028-2029 | |
| 23. | Matt McQuade * | .3385 | 348 | 2003-2018 | |
| 24. | Bruce Wedge | .3382 | 295 | 2006-2014 | |
| 25. | Anthony Beckford * | .3372 | 276 | 2001-2011 | |
| 26. | Tyson Bacon * | .3357 | 620 | 2000-2020 | |
| 27. | Fred Haigney | .3333 | 80 | 2029-2029 | |
| Deshawn Cobb | .3333 | 51 | 2002-2008 | ||
| Alfred Cazares | .3333 | 41 | 2003-2006 | ||
| Nicholas Deroche | .3333 | 144 | 2000-2004 | ||
| Hugo Grimm | .3333 | 54 | 2000-2002 | ||
| Josh Kapaun | .3333 | 59 | 2000-2001 | ||
| 33. | Rafael Pedroza | .3310 | 180 | 2000-2007 | |
| 34. | Ramon Valero | .3308 | 144 | 2006-2013 | |
| 35. | Leroy Augustine | .3300 | 106 | 2005-2014 | |
| 36. | James Hendricks | .3271 | 124 | 2002-2006 | |
| 37. | Bob Pickett | .3263 | 103 | 2021-2028 | |
| 38. | Adam Anderson | .3256 | 144 | 2004-2006 | |
| 39. | Larry Sears | .3253 | 426 | 2019-2029 | |
| 40. | Cliff Butter | .3238 | 396 | 2017-2029 | |
| 41. | Renaldo Loera | .3231 | 138 | 2002-2006 | |
| 42. | Bick Horizon | .3229 | 205 | 2010-2016 | |
| 43. | Mark Vanman | .3226 | 203 | 2024-2029 | |
| Sully Sullivan * | .3226 | 70 | 2000-2003 | ||
| 45. | James Reed | .3208 | 58 | 2000-2001 | |
| 46. | Milt Kovac | .3204 | 109 | 2011-2012 | |
| 47. | Tracy Jordan | .3193 | 134 | 2001-2004 | |
| 48. | Lee Desilva | .3191 | 51 | 2027-2028 | |
| 49. | Vernon Castanon | .3186 | 127 | 2005-2012 | |
| 50. | Adrian Turgeon | .3182 | 74 | 2024-2026 |
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