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| First Basemen Career At-Bats Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | At-Bats | PA | Years | Single Season Leaderboard |
| 1. | Kenny Blumberg | 3631 | 3979 | 2009-2014 | |
| 2. | Taitarou Haranobu | 3626 | 4083 | 2009-2014 | |
| 3. | Mike Chisholm | 3428 | 3863 | 2009-2014 | |
| 4. | Glenn Knapp | 3351 | 4130 | 2009-2014 | |
| 5. | Guy Gillham | 3342 | 3819 | 2009-2014 | |
| 6. | Michael Giroux | 3338 | 3818 | 2009-2014 | |
| 7. | Bill Souder | 3305 | 3881 | 2009-2014 | |
| 8. | Michael Bailey | 3110 | 3507 | 2009-2014 | |
| 9. | Tomas Nelson | 3076 | 3643 | 2009-2014 | |
| 10. | Aran Takafumi | 2853 | 3286 | 2009-2014 | |
| 11. | Emil Villarreal | 2636 | 3020 | 2009-2014 | |
| 12. | Ted Pauling | 2558 | 3019 | 2009-2014 | |
| 13. | Joel Sabatino | 2528 | 2778 | 2009-2014 | |
| 14. | John Athey | 2428 | 2859 | 2009-2013 | |
| 15. | Joshua Guenther | 2376 | 2630 | 2009-2013 | |
| 16. | Timothy Farthing | 2222 | 2421 | 2009-2013 | |
| 17. | John Rupe | 2198 | 2464 | 2009-2014 | |
| 18. | Omar Velazquez | 2064 | 2340 | 2009-2014 | |
| 19. | John Stebbins | 1960 | 2283 | 2009-2014 | |
| 20. | Michael Quiros | 1840 | 1990 | 2012-2014 | |
| 21. | Luis Samons | 1642 | 1796 | 2009-2013 | |
| 22. | Jose Olmeda | 1595 | 1780 | 2009-2014 | |
| 23. | Justin Honaker | 1549 | 1712 | 2012-2014 | |
| 24. | Leonard Townes | 1539 | 1711 | 2009-2014 | |
| 25. | Earnest Burkey | 1495 | 1650 | 2011-2014 | |
| 26. | David Rothman | 1469 | 1676 | 2009-2013 | |
| 27. | Buck Abels | 1466 | 1650 | 2009-2014 | |
| 28. | Gary Entwistle | 1268 | 1371 | 2013-2014 | |
| 29. | Freddie Zaragoza | 1237 | 1399 | 2009-2011 | |
| 30. | Masahiro Yoshifumi | 1137 | 1216 | 2009-2014 | |
| 31. | Alejandro Santos | 1118 | 1256 | 2009-2013 | |
| 32. | Mitchell Zeringue | 959 | 1049 | 2009-2010 | |
| 33. | Edgar Munday | 876 | 954 | 2009-2014 | |
| 34. | Steve Kawamura | 837 | 911 | 2009-2013 | |
| 35. | Michael Tharpe | 796 | 881 | 2009-2010 | |
| 36. | William Mathewson | 765 | 844 | 2009-2010 | |
| 37. | Salvador Carrion | 746 | 848 | 2013-2014 | |
| 38. | Walter Hill | 738 | 838 | 2009-2010 | |
| 39. | Hamiruton Fujio | 704 | 803 | 2011-2014 | |
| 40. | Jewel Kerney | 675 | 767 | 2009-2011 | |
| 41. | Michael Welcher | 656 | 697 | 2013-2014 | |
| 42. | Thomas Flick | 610 | 676 | 2014-2014 | |
| 43. | Celso Jimenez | 528 | 573 | 2013-2014 | |
| 44. | Manuel Salinas | 463 | 499 | 2010-2011 | |
| 45. | Jeremy Stewart | 454 | 493 | 2009-2011 | |
| 46. | Humberto Rameriz | 385 | 419 | 2009-2009 | |
| 47. | Lloyd Rich | 376 | 418 | 2011-2014 | |
| 48. | Carlos Martinez | 368 | 400 | 2014-2014 | |
| 49. | Brandon Dyess | 359 | 379 | 2009-2014 | |
| 50. | Kory Palmer | 304 | 342 | 2013-2014 | |
| 51. | Larry Curiel | 303 | 331 | 2009-2011 | |
| 52. | Salvador Gutierrez | 299 | 342 | 2009-2010 | |
| 53. | Harold Rocha | 282 | 310 | 2014-2014 | |
| 54. | Terrance Bledsoe | 276 | 295 | 2009-2011 | |
| 55. | Jason Coppedge | 270 | 296 | 2009-2011 | |
| 56. | Robert Marmol | 260 | 283 | 2011-2013 | |
| 57. | Alton Fagan | 247 | 257 | 2014-2014 | |
| 58. | Gustavo Hurtado | 240 | 257 | 2014-2014 | |
| 59. | Terry Toll | 238 | 264 | 2014-2014 | |
| 60. | Wade Gaddy | 165 | 177 | 2010-2012 | |
| 61. | Howard Kilbourne | 95 | 106 | 2009-2010 | |
| 62. | Calixto Ruiz | 84 | 86 | 2009-2009 | |
| 63. | Jose Osuna | 80 | 83 | 2014-2014 | |
| 64. | Jeffrey Skiles | 61 | 65 | 2014-2014 | |
| 65. | Greg Bise | 54 | 62 | 2013-2013 | |
| 66. | Patricio Ramirez | 53 | 62 | 2014-2014 | |
| Keith Arnold | 53 | 57 | 2009-2009 | ||
| 68. | Christopher Kea | 46 | 53 | 2014-2014 | |
| 69. | Lucas Laureano | 22 | 24 | 2011-2011 | |
| 70. | Marcelo Echandi | 21 | 23 | 2014-2014 | |
| 71. | Pedro Baltasar | 11 | 11 | 2010-2010 |
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