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| Shortstops Single-Season On-Base Pct Leaderboard | |
| * - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement. |
| Rank | Player | On-Base Pct | PA | Year | Career Leaderboard |
| 1. | Gandalf Greyheme * | .4567 | 646 | 2007 | |
| 2. | Gandalf Greyheme * | .4565 | 713 | 2005 | |
| 3. | Matt McQuade * | .4466 | 656 | 2007 | |
| 4. | Tanner Chayse * | .4453 | 640 | 2012 | |
| 5. | Tanner Chayse * | .4448 | 661 | 2007 | |
| 6. | Tanner Chayse * | .4434 | 654 | 2006 | |
| 7. | Matt McQuade * | .4387 | 652 | 2006 | |
| 8. | Buzzy Stevens | .4368 | 641 | 2028 | |
| 9. | Santo Tedesco | .4366 | 639 | 2023 | |
| 10. | Tanner Chayse * | .4364 | 653 | 2005 | |
| 11. | Matt McQuade * | .4350 | 646 | 2015 | |
| 12. | Santo Tedesco | .4343 | 693 | 2028 | |
| 13. | Matt McQuade * | .4333 | 540 | 2018 | |
| 14. | Tanner Chayse * | .4310 | 638 | 2013 | |
| 15. | Flyswatter Pentecost | .4310 | 659 | 2022 | |
| 16. | Flyswatter Pentecost | .4304 | 632 | 2027 | |
| 17. | Tanner Chayse * | .4299 | 628 | 2010 | |
| 18. | Jerrold Dukes | .4294 | 510 | 2019 | |
| Michael Koo Jr * | .4294 | 680 | 2005 | ||
| 20. | Tanner Chayse * | .4292 | 650 | 2004 | |
| 21. | Santo Tedesco | .4280 | 715 | 2029 | |
| 22. | Tanner Chayse * | .4268 | 642 | 2015 | |
| 23. | Rudy Lareau | .4244 | 681 | 2018 | |
| 24. | Michael Koo Jr * | .4219 | 647 | 2012 | |
| 25. | Flyswatter Pentecost | .4210 | 658 | 2025 | |
| 26. | Rudy Lareau | .4206 | 661 | 2017 | |
| 27. | Michael Koo Jr * | .4200 | 669 | 2009 | |
| 28. | Tanner Chayse * | .4183+ | 478 | 2008 | |
| 29. | Buzzy Stevens | .4163+ | 465 | 2029 | |
| 30. | Tanner Chayse * | .4156 | 652 | 2014 | |
| 31. | Flyswatter Pentecost | .4119 | 641 | 2021 | |
| 32. | Tanner Chayse * | .4110 | 652 | 2009 | |
| 33. | Arturo Esquiuel | .4110 | 657 | 2028 | |
| 34. | Tanner Chayse * | .4108 | 628 | 2002 | |
| 35. | Gandalf Greyheme * | .4108 | 684 | 2008 | |
| 36. | Michael Koo Jr * | .4103 | 697 | 2008 | |
| 37. | Jason Kroner * | .4101 | 651 | 2003 | |
| 38. | Chris Lott | .4094 | 635 | 2009 | |
| 39. | Ron Salas | .4084+ | 475 | 2025 | |
| 40. | Gandalf Greyheme * | .4083 | 703 | 2011 | |
| 41. | Mark Vanman | .4075 | 589 | 2028 | |
| 42. | Tanner Chayse * | .4062 | 645 | 2001 | |
| 43. | Santo Tedesco | .4058 | 686 | 2027 | |
| 44. | Gandalf Greyheme * | .4056 | 720 | 2006 | |
| 45. | Gandalf Greyheme * | .4054 | 698 | 2014 | |
| 46. | Michael Koo Jr * | .4051 | 586 | 2004 | |
| 47. | Matt McQuade * | .4047 | 677 | 2010 | |
| 48. | Gandalf Greyheme * | .4044+ | 491 | 2012 | |
| 49. | Flyswatter Pentecost | .4039 | 671 | 2026 | |
| 50. | Jason Kroner * | .4030 | 675 | 2004 | |
| 51. | Andrew Brown | .4026 | 625 | 2004 | |
| 52. | Matt McQuade * | .3997 | 638 | 2020 | |
| 53. | Michael Koo Jr * | .3986 | 700 | 2007 | |
| 54. | Mark Delia * | .3985 | 672 | 2008 | |
| 55. | Santo Tedesco | .3984 | 508 | 2022 | |
| 56. | Tanner Chayse * | .3967 | 673 | 2011 | |
| 57. | Santo Tedesco | .3959 | 640 | 2026 | |
| 58. | Matt McQuade * | .3936 | 659 | 2013 | |
| 59. | Mark Delia * | .3928 | 690 | 2013 | |
| 60. | Chris Lott | .3915 | 659 | 2015 | |
| 61. | Gandalf Greyheme * | .3910 | 688 | 2013 | |
| 62. | Matt McQuade * | .3909 | 660 | 2011 | |
| 63. | Michael Koo Jr * | .3908 | 674 | 2002 | |
| 64. | Santo Tedesco | .3905 | 677 | 2021 | |
| Gandalf Greyheme * | .3905 | 679 | 2004 | ||
| 66. | Michael Koo Jr * | .3897 | 604 | 2010 | |
| 67. | Fred Haigney | .3892 | 650 | 2024 | |
| 68. | Mark Delia * | .3892 | 669 | 2016 | |
| 69. | Matt McQuade * | .3891 | 623 | 2016 | |
| 70. | Flyswatter Pentecost | .3884+ | 444 | 2024 | |
| 71. | Norman Bates | .3876 | 667 | 2006 | |
| 72. | Chris Lott | .3876 | 627 | 2016 | |
| 73. | Santo Tedesco | .3869 | 659 | 2024 | |
| 74. | Michael Koo Jr * | .3865 | 683 | 2006 | |
| 75. | Casey Wabash | .3857 | 630 | 2022 | |
| 76. | Jason Kroner * | .3857 | 643 | 2014 | |
| 77. | Francisco Magana | .3854 | 698 | 2001 | |
| 78. | Chris Lott | .3838 | 654 | 2012 | |
| 79. | Fred Haigney | .3835 | 631 | 2028 | |
| 80. | Mark Delia * | .3831 | 650 | 2006 | |
| 81. | Luis Ortiz | .3824 | 612 | 2028 | |
| 82. | Rudy Lareau | .3821 | 636 | 2016 | |
| 83. | Arturo Esquiuel | .3820 | 644 | 2029 | |
| 84. | Norman Bates | .3815 | 694 | 2005 | |
| 85. | Flyswatter Pentecost | .3807 | 570 | 2029 | |
| 86. | Luis Ortiz | .3801 | 666 | 2026 | |
| 87. | Matt McQuade * | .3793 | 646 | 2014 | |
| 88. | Matt McQuade * | .3793 | 617 | 2009 | |
| 89. | Rafael Pocovi | .3792 | 683 | 2026 | |
| 90. | Rudy Lareau | .3791 | 604 | 2012 | |
| 91. | Gandalf Greyheme * | .3787 | 677 | 2010 | |
| 92. | Mark Delia * | .3785 | 687 | 2014 | |
| 93. | Norman Bates | .3780 | 673 | 2004 | |
| 94. | Matt McQuade * | .3774 | 636 | 2005 | |
| 95. | Chris Lott | .3766 | 563 | 2017 | |
| 96. | Flyswatter Pentecost | .3765+ | 477 | 2028 | |
| 97. | Alex Sullins | .3759 | 665 | 2020 | |
| 98. | Santo Tedesco | .3758 | 660 | 2020 | |
| 99. | Arturo Esquiuel | .3754 | 626 | 2027 | |
| 100. | Chris Lott | .3752 | 646 | 2014 |
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