| Home | Players | Teams | Leagues | Managers | Leaderboards | Win Shares | Awards | Help | |
| Single-Season OPS Leaderboard | |
| * - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement. |
| Rank | Player | OPS | PA | Year | Career Leaderboard |
| 1. | Ron Guinan | 1.1798 | 589 | 2028 | |
| 2. | Jimmie Davis * | 1.1607 | 700 | 2000 | |
| 3. | Andy Ping | 1.1481 | 676 | 2024 | |
| 4. | Sanford Powers | 1.1316 | 663 | 2024 | |
| 5. | Sanford Powers | 1.1288 | 690 | 2025 | |
| 6. | Dale Couch | 1.1240 | 599 | 2029 | |
| 7. | Ron Guinan | 1.1119 | 674 | 2029 | |
| 8. | Tanner Chayse * | 1.1105 | 653 | 2005 | |
| 9. | Tanner Chayse * | 1.0982 | 661 | 2007 | |
| 10. | Jimmie Davis * | 1.0971 | 713 | 2001 | |
| 11. | Harry Andrews | 1.0970 | 660 | 2029 | |
| 12. | Anthony Beckford * | 1.0930 | 532 | 2005 | |
| 13. | Felton Olney | 1.0894 | 623 | 2018 | |
| 14. | Sully Sullivan * | 1.0863 | 656 | 2002 | |
| 15. | Jose Chavero | 1.0802 | 686 | 2028 | |
| 16. | Anthony Beckford * | 1.0745 | 630 | 2001 | |
| 17. | Alex Garza * | 1.0742 | 684 | 2001 | |
| 18. | Tanner Chayse * | 1.0731 | 654 | 2006 | |
| 19. | Harold Petrillo * | 1.0643 | 663 | 2006 | |
| 20. | Toshinobu Kashiwagi | 1.0639 | 658 | 2029 | |
| 21. | Ron Guinan | 1.0594 | 526 | 2024 | |
| 22. | Anthony Beckford * | 1.0539 | 647 | 2004 | |
| 23. | Ethan Teller | 1.0535 | 658 | 2025 | |
| 24. | Francisco Magana | 1.0521 | 698 | 2001 | |
| 25. | Jacinto Leon | 1.0517 | 698 | 2000 | |
| 26. | Ron Guinan | 1.0488 | 532 | 2027 | |
| 27. | Sully Sullivan * | 1.0477+ | 501 | 2004 | |
| 28. | Sully Sullivan * | 1.0472 | 668 | 2003 | |
| 29. | Andy Ping | 1.0421 | 683 | 2026 | |
| 30. | Andy Ping | 1.0409 | 608 | 2028 | |
| 31. | Issac Phillips | 1.0381 | 637 | 2028 | |
| 32. | John Gleaves | 1.0362 | 507 | 2019 | |
| 33. | Gandalf Greyheme * | 1.0359 | 646 | 2007 | |
| 34. | Alex Garza * | 1.0324 | 508 | 2006 | |
| 35. | Tanner Chayse * | 1.0306+ | 478 | 2008 | |
| 36. | Pete Kahle * | 1.0294+ | 499 | 2012 | |
| 37. | Ron Guinan | 1.0267 | 542 | 2022 | |
| 38. | Larry Sears | 1.0230 | 678 | 2021 | |
| 39. | Larry Sears | 1.0209 | 645 | 2023 | |
| 40. | Jerrold Dukes | 1.0184 | 510 | 2019 | |
| 41. | Santo Tedesco | 1.0180 | 639 | 2023 | |
| 42. | Dale Couch | 1.0179 | 659 | 2028 | |
| 43. | Andy Ping | 1.0168 | 689 | 2025 | |
| 44. | Cliff Butter | 1.0158 | 614 | 2025 | |
| 45. | Larry Sears | 1.0152 | 622 | 2022 | |
| 46. | Anthony Beckford * | 1.0150 | 517 | 2007 | |
| 47. | Cliff Butter | 1.0116 | 628 | 2027 | |
| 48. | Sully Sullivan * | 1.0110 | 684 | 2001 | |
| 49. | Felton Olney | 1.0052 | 679 | 2024 | |
| 50. | Ethan Teller | 1.0044 | 685 | 2026 | |
| 51. | Frank Gillbard | 1.0043 | 640 | 2029 | |
| 52. | Ron Guinan | 1.0042 | 566 | 2025 | |
| 53. | Felton Olney | 1.0040 | 662 | 2021 | |
| 54. | Hank Carruthers | 1.0039 | 665 | 2026 | |
| 55. | Bill Newbold | 1.0031 | 643 | 2024 | |
| 56. | Blinky Crouch | 1.0013 | 591 | 2021 | |
| 57. | Matt McQuade * | .9988 | 656 | 2007 | |
| 58. | Alex Garza * | .9978 | 651 | 2004 | |
| 59. | Buzzy Stevens | .9973+ | 465 | 2029 | |
| 60. | Andy Ping | .9969 | 676 | 2027 | |
| 61. | John Gleaves | .9962 | 659 | 2016 | |
| 62. | Harry Andrews | .9957 | 637 | 2028 | |
| 63. | Rudy Lareau | .9952 | 661 | 2017 | |
| 64. | Tanner Chayse * | .9950 | 652 | 2009 | |
| 65. | Greg Holt | .9934 | 581 | 2026 | |
| 66. | Pete Kahle * | .9934 | 660 | 2007 | |
| 67. | Jose Chavero | .9933 | 648 | 2026 | |
| 68. | Gandalf Greyheme * | .9913 | 713 | 2005 | |
| 69. | Greg Holt | .9911 | 643 | 2027 | |
| 70. | Tony Romo | .9896 | 647 | 2023 | |
| 71. | Blinky Crouch | .9880 | 650 | 2026 | |
| 72. | Sully Sullivan * | .9866 | 686 | 2000 | |
| 73. | Blair Glaspie | .9848 | 653 | 2026 | |
| 74. | Bill Hawking | .9848 | 660 | 2029 | |
| 75. | Glen Mallory | .9842 | 684 | 2029 | |
| 76. | Toshinobu Kashiwagi | .9838 | 644 | 2028 | |
| 77. | Tanner Chayse * | .9834 | 640 | 2012 | |
| 78. | Ethan Teller | .9833 | 661 | 2024 | |
| 79. | Skipper Cage | .9832 | 675 | 2029 | |
| 80. | Christopher Ferrante * | .9828 | 571 | 2008 | |
| 81. | Harold Petrillo * | .9827 | 640 | 2012 | |
| 82. | Anthony Beckford * | .9820 | 638 | 2002 | |
| 83. | Hal Rehm | .9801 | 677 | 2018 | |
| 84. | Pete Kahle * | .9799 | 702 | 2001 | |
| 85. | Pete Kahle * | .9796 | 633 | 2008 | |
| 86. | Jose Chavero | .9791 | 675 | 2029 | |
| 87. | Tony Romo | .9786 | 636 | 2022 | |
| 88. | Tanner Chayse * | .9784 | 628 | 2010 | |
| 89. | Felton Olney | .9766 | 634 | 2019 | |
| 90. | Tyson Bacon * | .9755 | 656 | 2006 | |
| 91. | Seamus O'Dule * | .9752 | 660 | 2010 | |
| 92. | Anthony Beckford * | .9735 | 644 | 2003 | |
| 93. | Andy Ping | .9735 | 670 | 2029 | |
| 94. | Jose Chavero | .9734 | 547 | 2024 | |
| 95. | Larry Sears | .9730 | 619 | 2019 | |
| 96. | Summer Nelson * | .9723 | 672 | 2012 | |
| 97. | Aragorn King * | .9707 | 646 | 2005 | |
| 98. | Cliff Butter | .9698 | 570 | 2022 | |
| 99. | Larry Sears | .9695 | 612 | 2026 | |
| 100. | Toshinobu Kashiwagi | .9687 | 635 | 2027 |
| For questions or to report errors, please send us a note. |