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| Left Fielders Career On-Base Pct Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | On-Base Pct | PA | Years | Single Season Leaderboard |
| 1. | Anthony Beckford * | .3949 | 7657 | 2000-2013 | |
| 2. | Ethan Teller | .3819 | 6162 | 2020-2029 | |
| 3. | Aquilino Castillanos | .3816 | 4395 | 2022-2029 | |
| 4. | Jacinto Leon | .3803 | 5871 | 2000-2010 | |
| 5. | Bill Long | .3761 | 5251 | 2000-2008 | |
| 6. | Jerry Jorge | .3738 | 8167 | 2015-2029 | |
| 7. | Skipper Cage | .3715 | 5097 | 2022-2029 | |
| 8. | Shane Jaggers | .3701 | 5707 | 2017-2029 | |
| 9. | Harold Knight | .3667 | 6346 | 2006-2017 | |
| 10. | Garth Walker | .3659 | 6743 | 2016-2029 | |
| 11. | Felton Olney | .3607 | 10112 | 2013-2029 | |
| 12. | George Contreras | .3594 | 5612 | 2014-2025 | |
| 13. | Chad Shone | .3590 | 4391 | 2020-2029 | |
| 14. | Toshinobu Kashiwagi | .3568 | 4836 | 2021-2029 | |
| 15. | Bill Dickie | .3558 | 6394 | 2020-2029 | |
| 16. | Roger Pearsall | .3528 | 4354 | 2014-2023 | |
| 17. | Bobby Russell | .3527 | 6133 | 2018-2029 | |
| 18. | Bill Rawcliffe | .3525 | 4511 | 2022-2029 | |
| 19. | Brandon Ivy | .3523 | 7052 | 2011-2024 | |
| 20. | John Carsswell | .3519 | 4954 | 2014-2027 | |
| 21. | Osvaldo Moscato | .3460 | 3512 | 2005-2017 | |
| 22. | Pete Kahle * | .3449 | 11872 | 2000-2019 | |
| 23. | Drake Dunkel | .3412 | 4672 | 2005-2016 | |
| 24. | Joseph Carte | .3394 | 5113 | 2002-2013 | |
| 25. | James Hennen | .3383 | 3761 | 2021-2029 | |
| 26. | Brady Bainbridge | .3358 | 3282 | 2020-2029 | |
| 27. | Jimmie Cuadra | .3354 | 5092 | 2000-2011 | |
| 28. | John Fleury | .3347 | 6618 | 2006-2017 | |
| 29. | Andre Moreno | .3337 | 3890 | 2000-2008 | |
| 30. | Nick Hicks | .3331 | 3269 | 2000-2004 | |
| 31. | Roy Irby | .3330 | 4844 | 2000-2013 | |
| 32. | Enrique Cambra | .3313 | 6009 | 2004-2015 | |
| 33. | John Surette | .3312 | 5481 | 2002-2013 | |
| 34. | Herme Moreira | .3309 | 7773 | 2015-2029 | |
| 35. | Daniel Fulk | .3304 | 3602 | 2000-2009 | |
| 36. | Benjamin Wagstaff | .3286 | 5274 | 2000-2007 | |
| 37. | Ryan Haber | .3275 | 6603 | 2000-2010 | |
| 38. | Joaquin Germano | .3266 | 4541 | 2013-2027 | |
| 39. | Al Eastwood | .3266 | 5942 | 2016-2029 | |
| 40. | Leandro Mingo | .3232 | 5303 | 2010-2023 | |
| 41. | Christian Burrden | .3220 | 8262 | 2008-2023 | |
| 42. | Timothy Tavares | .3214 | 8808 | 2010-2026 | |
| 43. | Glenn Gull | .3212 | 5405 | 2004-2020 | |
| 44. | Alesso Rusticucci | .3207 | 6761 | 2004-2016 | |
| 45. | T.J. Freeland | .3199 | 6791 | 2017-2029 | |
| 46. | Larry McGonagle | .3198 | 4552 | 2000-2015 | |
| 47. | Ramon Baez | .3194 | 5422 | 2000-2008 | |
| 48. | Justin Berndt | .3180 | 7584 | 2005-2017 | |
| 49. | Luciano Silvia | .3163 | 5151 | 2003-2017 | |
| 50. | Tony Ocejo * | .3160 | 10812 | 2004-2022 | |
| 51. | Ralph Gonzalo | .3136 | 3704 | 2024-2029 | |
| 52. | Sylvester Errico | .3121 | 5943 | 2002-2014 | |
| 53. | John Ollis | .3117 | 3313 | 2000-2007 | |
| 54. | Herbert Quintanilla | .3091 | 4120 | 2018-2029 | |
| 55. | Alfred Cazares | .3066 | 4447 | 2000-2011 | |
| 56. | Ken Averett | .3055 | 4485 | 2023-2029 | |
| 57. | Arthur Kuhns | .3045 | 6726 | 2002-2014 | |
| 58. | Floyd McKellaig | .3026 | 3254 | 2020-2029 | |
| 59. | Alfonzo Ruvalcaba | .2999 | 5732 | 2004-2016 | |
| 60. | Juan Loera | .2980 | 3468 | 2000-2006 | |
| 61. | Robert Findlater | .2972 | 3308 | 2014-2024 | |
| 62. | Alex Mingus | .2950 | 3252 | 2011-2022 | |
| 63. | Simon Gardena | .2932 | 3577 | 2008-2019 | |
| 64. | Mike Cranwell | .2851 | 4606 | 2019-2029 | |
| 65. | Tony Lack | .2847 | 3494 | 2000-2013 | |
| 66. | Joseph Dambrosio | .2836 | 3181 | 2000-2007 | |
| 67. | Sanford Rossignol | .2819 | 6229 | 2004-2017 | |
| 68. | Kevin Baskett | .2810 | 3037 | 2000-2012 | |
| 69. | Edwin Coppedge | .2801 | 4460 | 2000-2011 | |
| 70. | Oscar Fitzhugh | .2646 | 3120 | 2000-2010 |
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