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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. | Russell Fearn | .4306 | 76 | 1990-1992 | |
| 2. | Rod Carew | .4203 | 70 | 1978-1980 | |
| 3. | Floyd Jackson | .3971 | 70 | 1973-1975 | |
| 4. | Akiru Matsumoto | .3919 | 77 | 1989-1994 | |
| 5. | Xavier Jonah | .3913 | 51 | 1981-1991 | |
| 6. | Poke Boyette | .3871 | 67 | 1977-1977 | |
| 7. | Frank Grant | .3810 | 50 | 1989-1992 | |
| 8. | Vince Milani | .3768 | 72 | 1977-1981 | |
| 9. | Mike Haden | .3761 | 121 | 1987-1991 | |
| 10. | George Simms | .3725 | 51 | 1984-1984 | |
| 11. | Sean Bockus | .3704 | 60 | 1986-1993 | |
| 12. | Raul Montero | .3676 | 73 | 1982-1987 | |
| 13. | Ted Sale | .3542 | 50 | 1987-1994 | |
| 14. | Riley Hinson | .3540 | 253 | 1986-1993 | |
| 15. | Tom Mohler | .3529 | 98 | 1993-1994 | |
| 16. | Patrick Casavant | .3514 | 42 | 1991-1994 | |
| 17. | Valentine Oestrich | .3492 | 65 | 1987-1988 | |
| 18. | Kevin Greene | .3488 | 48 | 1992-1992 | |
| 19. | Oswaldo Gaona | .3478 | 165 | 1977-1980 | |
| 20. | Choo Choo Webster | .3472 | 83 | 1980-1980 | |
| 21. | Bill Sizemore | .3462 | 57 | 1989-1990 | |
| 22. | Christopher Williams | .3455 | 120 | 1978-1981 | |
| 23. | Joe Farner | .3452 | 89 | 1986-1988 | |
| 24. | Maddux Vaughn | .3443 | 129 | 1992-1994 | |
| 25. | Steve Collins | .3436 | 560 | 1982-1992 | |
| 26. | Peter Pete * | .3434 | 114 | 1975-1978 | |
| 27. | Marquis Futon * | .3431 | 109 | 1973-1980 | |
| 28. | Bill Choizza | .3415 | 48 | 1987-1988 | |
| 29. | Woodrow Wilhoite | .3412 | 96 | 1979-1983 | |
| 30. | Chris Brown | .3404 | 55 | 1985-1993 | |
| 31. | Al Bluhm | .3391 | 309 | 1975-1988 | |
| 32. | William Yutzy | .3390 | 69 | 1989-1990 | |
| 33. | Ruppert Pena | .3373 | 185 | 1973-1983 | |
| 34. | Jeff Jarrett | .3366 | 120 | 1974-1980 | |
| 35. | Luke Zalusky | .3354 | 345 | 1979-1993 | |
| 36. | Jeffrey Griffin | .3333 | 136 | 1978-1984 | |
| Tony Quinn | .3333 | 95 | 1978-1984 | ||
| Andy Polski | .3333 | 54 | 1973-1979 | ||
| Douglass Palacio | .3333 | 47 | 1973-1979 | ||
| 40. | Dick Allen | .3281 | 71 | 1975-1975 | |
| 41. | Ricky Kulou | .3269 | 54 | 1975-1975 | |
| 42. | Benjamin Caldwell | .3267 | 334 | 1983-1992 | |
| 43. | Bruce Meathouse | .3263 | 98 | 1979-1983 | |
| 44. | John Bockus | .3262 | 205 | 1986-1991 | |
| 45. | Jason Yother | .3261 | 53 | 1979-1980 | |
| 46. | Harry Drusak | .3250 | 85 | 1973-1975 | |
| 47. | Isaac Paul Daly | .3247 | 87 | 1990-1992 | |
| 48. | Michael Cruz | .3239 | 74 | 1977-1983 | |
| 49. | Rock Thundercrotch | .3237 | 146 | 1988-1992 | |
| 50. | Samuel Sanchez | .3231 | 71 | 1979-1984 |
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