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| Career Post-Season Walks per 9IP Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Walks per 9IP | IP | Years | Single Season Leaderboard |
| 1. | Jose Hernandez | 0.84 | 32.3 | 2009-2012 | |
| 2. | Bill Hyer | 1.07 | 50.6 | 2009-2014 | |
| 3. | Bobby Grimes | 1.11 | 187.0 | 2009-2014 | |
| 4. | Anthony Puffer | 1.17 | 54.0 | 2011-2013 | |
| 5. | Ryan Stacy | 1.17 | 61.7 | 2009-2014 | |
| 6. | Joseph Allen | 1.19 | 45.3 | 2011-2013 | |
| 7. | Nicholas Cross | 1.37 | 26.3 | 2009-2012 | |
| 8. | George Anderson | 1.55 | 29.0 | 2010-2010 | |
| 9. | Marcus Dinges | 1.55 | 46.3 | 2011-2014 | |
| 10. | Pedro Ramirez | 1.58 | 120.0 | 2010-2014 | |
| 11. | Isogorou Chomei | 1.65 | 65.3 | 2009-2013 | |
| 12. | Nathan Wegener | 1.66 | 21.7 | 2010-2014 | |
| 13. | Salvador Sanchez | 1.67 | 32.3 | 2010-2014 | |
| 14. | Robert Carson | 1.71 | 42.0 | 2011-2013 | |
| 15. | Steven Yingling | 1.82 | 64.3 | 2009-2014 | |
| 16. | John McClary | 1.91 | 75.3 | 2012-2014 | |
| 17. | Pedro Moreno | 1.93 | 46.7 | 2010-2012 | |
| 18. | James Sousa | 1.95 | 124.3 | 2009-2012 | |
| 19. | Carlos Molina | 1.96 | 23.0 | 2010-2014 | |
| 20. | Justin Monks | 2.02 | 35.7 | 2010-2014 | |
| 21. | Joe Laubach | 2.05 | 30.7 | 2011-2011 | |
| 22. | John Campbell | 2.08 | 21.7 | 2009-2014 | |
| 23. | David Noland | 2.28 | 23.7 | 2010-2010 | |
| 24. | Joshua Barber | 2.31 | 27.3 | 2014-2014 | |
| 25. | Michael Arnett | 2.44 | 55.3 | 2009-2011 | |
| 26. | Felix Murff | 2.44 | 143.6 | 2009-2014 | |
| 27. | Bryan Kaplan | 2.58 | 80.3 | 2009-2014 | |
| 28. | Andre Morales | 2.59 | 55.7 | 2010-2014 | |
| 29. | Eric Alba | 2.62 | 34.3 | 2010-2014 | |
| 30. | Theodore Wilson | 2.63 | 48.0 | 2011-2012 | |
| 31. | Richard Dicks | 2.68 | 50.3 | 2010-2014 | |
| 32. | Miles Farrelly | 2.70 | 23.3 | 2009-2012 | |
| 33. | Isidro Valles | 2.88 | 59.3 | 2009-2012 | |
| 34. | Clemente Andujar | 2.91 | 21.7 | 2014-2014 | |
| 35. | James Volkert | 2.96 | 48.7 | 2009-2011 | |
| 36. | Magglio Guzman | 3.00 | 24.0 | 2009-2011 | |
| 37. | Gary Fortney | 3.04 | 23.7 | 2009-2012 | |
| 38. | Angel Rodriguez | 3.11 | 72.3 | 2010-2013 | |
| 39. | Jamie Coop | 3.17 | 93.7 | 2009-2014 | |
| 40. | Claude McNeely | 3.30 | 43.7 | 2012-2014 | |
| 41. | Douglas Louviere | 3.38 | 29.3 | 2010-2013 | |
| 42. | Nicholas Lenard | 3.44 | 76.0 | 2009-2014 | |
| 43. | Larry Ensminger | 3.49 | 49.0 | 2011-2013 | |
| 44. | Dennis Hunt | 3.66 | 39.3 | 2011-2013 | |
| 45. | Ralph Hecker | 3.68 | 29.3 | 2009-2012 | |
| 46. | Kevin Whitford | 3.94 | 48.0 | 2009-2013 | |
| 47. | Glen Bee | 3.96 | 25.0 | 2009-2012 | |
| 48. | Walter Middleton | 4.21 | 25.7 | 2009-2012 | |
| 49. | Williams Shoemaker | 4.27 | 52.6 | 2009-2014 | |
| 50. | Felix Corchado | 4.29 | 35.7 | 2010-2014 |
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