Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Turnovers)
| 1. | Stockton, John | (filler) | Louisiana Gators | 492 |
| 2. | Johnson, Magic | (filler) | Montana Ducks | 488 |
| 3. | Harden, James | (filler) | Sacramento Lions | 455 |
| 4. | Johnson, Magic | (Rodeoatty) | Newark Nets | 454 |
| 5. | Westbrook, Russell | Dallas Mustangs | 450 | |
| 6. | Gervin, George | Boston Bees | 449 | |
| 7. | Harden, James | Iowa Fighting Pigs | 449 | |
| 8. | Westbrook, Russell | (danny3333) | New Ỏrleans Jazz | 449 |
| 9. | Harden, James | (dynasty) | Texas Outlaws | 447 |
| 10. | Harden, James | (filler) | Chicago Reapers | 445 |
| 11. | Harden, James | (walle-1) | Kentucky Horses | 444 |
| 12. | Durant, Kevin | (dynasty) | Charlotte Spiders | 442 |
| 13. | Harden, James | (filler8) | Kentucky Horses | 435 |
| 14. | Johnson, Magic | (FRANCO143) | Denver Eagles | 434 |
| 15. | Westbrook, Russell | (Rheberdude) | Dakota Donkeys | 432 |
| 16. | Harden, James | (filler) | Montana Ducks | 431 |
| 17. | Johnson, Magic | (disturbed) | Florida Crabs | 431 |
| 18. | Westbrook, Russell | Chicago Reapers | 429 | |
| 19. | Thomas, Isiah | (Maulucci16) | Strategic Air Command | 429 |
| 20. | Harden, James | (filler8) | Dallas Mustangs | 429 |
| 21. | Westbrook, Russell | (walle-1) | Minnesota Frogs | 426 |
| 22. | Johnson, Magic | (dynasty) | Miami Serpents | 426 |
| 23. | Harden, James | (filler) | Chicago Reapers | 425 |
| 24. | Harden, James | (BamaTrashman) | Alabama Arsenal | 425 |
| 25. | Westbrook, Russell | (filler) | Chicago Reapers | 424 |
| 26. | Johnson, Magic | Miami Serpents | 424 | |
| 27. | Westbrook, Russell | (dynasty) | Phoenix Dragons | 423 |
| 28. | Westbrook, Russell | (disturbed) | Kentucky Horses | 422 |
| 29. | Westbrook, Russell | (walle-2) | Texas Outlaws | 422 |
| 30. | Johnson, Magic | (roguerouge) | Gorilla City Grodd's Army | 421 |
| 31. | Harden, James | Florida Crabs | 421 | |
| 32. | Westbrook, Russell | (dynasty8) | Utah Nightmares | 419 |
| 33. | Harden, James | (Rheberdude) | Dakota Donkeys | 419 |
| 34. | Johnson, Magic | (dynasty) | Texas Outlaws | 418 |
| 35. | Harden, James | (filler8) | Arizona Suns | 417 |
| 36. | Harden, James | (dynasty8) | Louisiana Gators | 416 |
| 37. | Westbrook, Russell | (danny3333) | Harlem Globetrotters | 416 |
| 38. | Harden, James | (dynasty8) | Utah Nightmares | 415 |
| 39. | Westbrook, Russell | (walle-1) | Kentucky Horses | 414 |
| 40. | Westbrook, Russell | (filler8) | Louisiana Gators | 414 |
| 41. | Westbrook, Russell | Kentucky Horses | 413 | |
| 42. | Nash, Steve | (Maulucci16) | Texas Western Miners | 412 |
| 43. | Nash, Steve | (shane211) | South Dakota Wild Stallions | 412 |
| 44. | Harden, James | (dynasty8) | Utah Nightmares | 411 |
| 45. | Harden, James | (walle-1) | Kentucky Horses | 411 |
| 46. | Westbrook, Russell | (Laxstar33) | Utah Nightmares | 410 |
| 47. | Harden, James | (shane211) | South Dakota Cavs | 410 |
| 48. | Westbrook, Russell | (maulucci16) | 16th Armored Corps | 410 |
| 49. | Harden, James | (dynasty8) | Utah Nightmares | 410 |
| 50. | Thomas, Isaiah | (PacerProud) | B-town Bulldogs | 409 |
