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| Career OOBP Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | OOBP | IP | Years | Single Season Leaderboard |
| 1. | James Yim * | .2150 | 4445.9 | 2003-2021 | |
| 2. | Kevin Smith | .2398 | 2599.0 | 2019-2029 | |
| 3. | Chad Schmidt | .2405 | 3346.6 | 2015-2029 | |
| 4. | Ryan Turner * | .2408 | 3744.9 | 2001-2021 | |
| 5. | David Echegaray | .2412 | 4812.6 | 2003-2026 | |
| 6. | Edgardo Castillo * | .2429 | 3758.6 | 2001-2018 | |
| 7. | Dmitrij Mitskevich | .2465 | 1244.3 | 2002-2006 | |
| 8. | Aaron Bacon * | .2481 | 3356.0 | 2000-2012 | |
| 9. | Art Toczek * | .2525 | 2240.3 | 2011-2023 | |
| 10. | Ben Lamela | .2534 | 3342.6 | 2008-2025 | |
| 11. | Leo Cleland * | .2574 | 2815.6 | 2004-2017 | |
| 12. | J.J. Cobb | .2607 | 3210.6 | 2000-2014 | |
| 13. | Mark Torrence | .2612 | 2896.3 | 2002-2015 | |
| 14. | Mark Trowers | .2613 | 3535.9 | 2010-2025 | |
| 15. | Donald Granger * | .2617 | 1025.0 | 2003-2017 | |
| 16. | Clarence McNatt * | .2618 | 2894.0 | 2003-2017 | |
| 17. | James Alexander | .2618 | 2806.6 | 2011-2026 | |
| 18. | Dennis Wright * | .2638 | 3380.6 | 2001-2014 | |
| 19. | Steven Williams * | .2646 | 3524.0 | 2002-2017 | |
| 20. | Lowell Stang * | .2650 | 2987.9 | 2007-2021 | |
| 21. | Jose Langlois | .2652 | 3377.9 | 2004-2020 | |
| 22. | Larry Burkholder | .2657 | 1105.0 | 2011-2024 | |
| 23. | Allen Sampley | .2664 | 1702.3 | 2007-2021 | |
| 24. | Deangelo Ramos * | .2669 | 1166.3 | 2003-2020 | |
| 25. | Rafael Souza | .2672 | 2287.6 | 2003-2022 | |
| 26. | Joseph Seybert | .2674 | 1290.0 | 2000-2005 | |
| 27. | Geoff Stagner | .2697 | 2609.0 | 2011-2025 | |
| 28. | Hugo Holt * | .2710 | 1108.3 | 2006-2021 | |
| 29. | Donte Dasilva | .2717 | 3018.0 | 2003-2017 | |
| 30. | Wayne Sorely | .2718 | 1648.0 | 2021-2029 | |
| 31. | Thomas Burleson | .2723 | 1409.0 | 2007-2022 | |
| 32. | Ralph Ives | .2724 | 2623.6 | 2018-2029 | |
| 33. | Leonard Lubbers | .2726 | 2356.6 | 2003-2013 | |
| 34. | Joseph Holland | .2726 | 1216.3 | 2003-2021 | |
| 35. | Xavier Josephs | .2731 | 2994.6 | 2003-2018 | |
| 36. | Osvaldo Pedraza | .2735 | 3311.0 | 2003-2017 | |
| 37. | Blaine Titsworth | .2748 | 1930.6 | 2000-2009 | |
| 38. | Artur Sax | .2760 | 2590.6 | 2013-2025 | |
| 39. | Robert Garza * | .2762 | 2458.6 | 2004-2015 | |
| 40. | Kelvin Palen | .2766 | 2641.3 | 2000-2010 | |
| 41. | Pete Leighburn | .2766 | 1550.7 | 2023-2029 | |
| 42. | Jack Fasano | .2767 | 1053.7 | 2000-2005 | |
| 43. | Armand Banuelos | .2781 | 3088.0 | 2000-2012 | |
| 44. | Paul Wendler | .2788 | 2332.6 | 2002-2015 | |
| 45. | Russell Henikar | .2794 | 1004.3 | 2009-2024 | |
| 46. | Scott Bartell | .2797 | 4101.3 | 2003-2021 | |
| 47. | Wilfredo Arroyo | .2797 | 1658.6 | 2023-2029 | |
| 48. | Armando Quinonez * | .2798 | 1638.6 | 2000-2007 | |
| 49. | Cougar Koon | .2801 | 1093.6 | 2020-2029 | |
| 50. | Edward Goffe | .2803 | 1555.0 | 2009-2018 | |
| 51. | Ivan Banabila | .2804 | 1418.3 | 2008-2026 | |
| 52. | Dan Entrekin | .2807 | 1950.3 | 2000-2009 | |
| 53. | Joseph Bingman | .2807 | 2104.3 | 2003-2014 | |
| 54. | Roberto Villagomez | .2809 | 2099.3 | 2013-2024 | |
| 55. | Matthew Bedard | .2810 | 2565.3 | 2004-2015 | |
| 56. | Thomas Showers * | .2811 | 3348.0 | 2000-2013 | |
| 57. | Tobias Escobar | .2814 | 2817.9 | 2006-2019 | |
| 58. | Leandro Aranda | .2823 | 1055.3 | 2000-2010 | |
| 59. | Linwood Judy | .2823 | 1054.3 | 2004-2017 | |
| 60. | Blitz Codd | .2824 | 1576.0 | 2022-2029 | |
| 61. | Paul Hall | .2826 | 2664.0 | 2018-2029 | |
| 62. | Justin Calvillo | .2827 | 1007.0 | 2000-2004 | |
| 63. | Xalbador Laguna | .2828 | 2146.0 | 2019-2029 | |
| 64. | Jeeves Vanhooten | .2830 | 3186.9 | 2000-2014 | |
| 65. | Michael Welch | .2833 | 1187.9 | 2000-2017 | |
| 66. | Alex Ramirez | .2834 | 2007.9 | 2001-2015 | |
| 67. | Rusty Skittles | .2836 | 2706.3 | 2007-2020 | |
| 68. | Jackie Almanza | .2839 | 1198.0 | 2002-2013 | |
| 69. | Hugh Hoots | .2839 | 3766.6 | 2002-2018 | |
| 70. | Kenneth Krahn | .2841 | 1711.6 | 2005-2013 | |
| 71. | George Aybar | .2844 | 2359.3 | 2007-2019 | |
| 72. | Chris Curcio | .2846 | 1235.3 | 2009-2016 | |
| 73. | Malik Meng | .2847 | 2438.6 | 2000-2009 | |
| 74. | Skip Burns | .2849 | 4027.6 | 2001-2020 | |
| 75. | Robert Mansell | .2849 | 1435.6 | 2012-2025 | |
| 76. | Leon Collins | .2850 | 2526.3 | 2015-2027 | |
| 77. | Tobias Barrientos | .2851 | 1339.3 | 2006-2015 | |
| 78. | Alfonso Font | .2854 | 1275.3 | 2015-2029 | |
| 79. | Wayne Rossignol | .2854 | 1569.0 | 2016-2029 | |
| 80. | David Bonneau | .2855 | 1427.3 | 2021-2029 | |
| 81. | Armando Mesta | .2856 | 1366.7 | 2023-2029 | |
| 82. | Adrian Pantas | .2856 | 1981.3 | 2013-2024 | |
| 83. | Charlie Clowers | .2857 | 2168.3 | 2008-2019 | |
| 84. | Dan Coningsby | .2858 | 1388.0 | 2023-2029 | |
| 85. | Albert Olmos | .2869 | 3489.6 | 2000-2014 | |
| 86. | William Bennington | .2873 | 2129.6 | 2003-2014 | |
| 87. | Dirk Carr | .2877 | 2559.3 | 2007-2019 | |
| 88. | Harry Swint | .2878 | 1377.0 | 2000-2005 | |
| 89. | Tyler Lattimore | .2878 | 1073.3 | 2014-2029 | |
| 90. | Carmine Whittingham | .2881 | 2224.6 | 2014-2026 | |
| 91. | Kenneth Eshleman | .2881 | 1301.6 | 2000-2006 | |
| 92. | Adam Burton | .2883 | 2164.9 | 2009-2022 | |
| 93. | Dennis Couch | .2883 | 1271.3 | 2022-2029 | |
| 94. | Richard San Juan | .2883 | 3143.3 | 2017-2029 | |
| 95. | Randy Kennedy | .2891 | 2598.6 | 2000-2010 | |
| 96. | Robby Butler | .2893 | 1374.3 | 2000-2007 | |
| 97. | Billy-Bob Suggs | .2893 | 1588.3 | 2003-2021 | |
| 98. | Kelly Giuliani | .2893 | 1553.0 | 2000-2007 | |
| 99. | William Piccolo | .2894 | 1146.6 | 2000-2006 | |
| 100. | J.L. Carrillo | .2898 | 1629.3 | 2018-2026 |
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