| Home | Players | Teams | Leagues | Managers | Leaderboards | Win Shares | Awards | Help | |
| Career OSLG Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | OSLG | IP | Years | Single Season Leaderboard |
| 1. | Bobby Grimes | .2968 | 1625.3 | 2009-2014 | |
| 2. | Pedro Cobas | .2989 | 1178.0 | 2009-2014 | |
| 3. | Walter Lopez | .3010 | 1076.3 | 2009-2014 | |
| 4. | James Munguia | .3159 | 1160.3 | 2009-2014 | |
| 5. | Pedro Ramirez | .3182 | 1481.6 | 2009-2014 | |
| 6. | Angel Rodriguez | .3190 | 1015.3 | 2010-2014 | |
| 7. | Ryan Stacy | .3227 | 1206.0 | 2009-2014 | |
| 8. | Robert Carson | .3248 | 1383.6 | 2009-2014 | |
| 9. | Dennis Hunt | .3272 | 1382.0 | 2009-2014 | |
| 10. | Joseph Allen | .3273 | 1176.0 | 2010-2014 | |
| 11. | James Sousa | .3279 | 1525.7 | 2009-2014 | |
| 12. | Richard Dicks | .3302 | 1487.0 | 2009-2014 | |
| 13. | Felix Corchado | .3351 | 1383.3 | 2009-2014 | |
| 14. | Isogorou Chomei | .3363 | 1197.3 | 2009-2014 | |
| 15. | Bill Hightower | .3493 | 1402.3 | 2009-2014 | |
| 16. | Miles Farrelly | .3502 | 1392.0 | 2009-2014 | |
| 17. | Nicholas Lenard | .3527 | 1242.7 | 2009-2014 | |
| 18. | Gerald Orduna | .3529 | 1380.6 | 2009-2014 | |
| 19. | Marcus Dinges | .3533 | 1234.6 | 2009-2014 | |
| 20. | Jamie Coop | .3566 | 1256.7 | 2009-2014 | |
| 21. | Cedric Monasterio | .3567 | 1099.7 | 2009-2014 | |
| 22. | Michael Arnett | .3602 | 1109.6 | 2009-2014 | |
| 23. | Felix Murff | .3617 | 1441.7 | 2009-2014 | |
| 24. | Ronald Koenig | .3646 | 1124.6 | 2009-2014 | |
| 25. | Eric Waddington | .3652 | 1179.0 | 2009-2014 | |
| 26. | Bryan Kaplan | .3682 | 1394.3 | 2009-2014 | |
| 27. | Carlos Molina | .3698 | 1330.3 | 2009-2014 | |
| 28. | Andre Morales | .3751 | 1344.7 | 2009-2014 | |
| 29. | John McCasland | .3789 | 1025.0 | 2009-2014 | |
| 30. | Rick Varney | .3864 | 1348.3 | 2009-2014 | |
| 31. | Danial Hayes | .3903 | 1068.3 | 2009-2014 | |
| 32. | Joe Laubach | .3905 | 1209.0 | 2009-2014 | |
| 33. | Casey George | .3914 | 1094.0 | 2009-2014 | |
| 34. | Mario Fung | .3926 | 1014.7 | 2009-2013 | |
| 35. | George Anderson | .3950 | 1022.3 | 2009-2014 | |
| 36. | Sam Glisson | .3987 | 1029.0 | 2009-2014 | |
| 37. | Harold Garfinkel | .3992 | 1234.0 | 2009-2014 | |
| 38. | Kevin Whitford | .4048 | 1194.3 | 2009-2014 | |
| 39. | Michael Munroe | .4053 | 1089.7 | 2009-2014 | |
| 40. | Brian Reiter | .4063 | 1002.3 | 2009-2013 | |
| 41. | Paul Cevallos | .4107 | 1135.7 | 2009-2014 | |
| 42. | Ramon Medina | .4120 | 1149.3 | 2009-2014 | |
| 43. | Eric Alba | .4258 | 1031.0 | 2009-2014 |
| For questions or to report errors, please send us a note. |