Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Turnovers)
| 1. | Stockton, John | (filler) | Portland Vikings | 492 |
| 2. | Johnson, Magic | (filler) | Carolina Bulldogs | 488 |
| 3. | Harden, James | (filler) | Atlanta Gorillas | 455 |
| 4. | Johnson, Magic | (Rodeoatty) | Newark Nets | 454 |
| 5. | Westbrook, Russell | (filler) | Dallas Mustangs | 450 |
| 6. | Westbrook, Russell | (danny3333) | New Ỏrleans Jazz | 449 |
| 7. | Harden, James | Sacramento Lions | 447 | |
| 8. | Harden, James | (walle-1) | New Jersey Devils | 444 |
| 9. | Durant, Kevin | Genie Garage Doors | 442 | |
| 10. | Harden, James | (filler8) | Portland Vikings | 435 |
| 11. | Johnson, Magic | Milwaukee Skeletons | 434 | |
| 12. | Westbrook, Russell | Minnesota Frogs | 432 | |
| 13. | Harden, James | (filler) | Carolina Bulldogs | 431 |
| 14. | Thomas, Isiah | (Maulucci16) | Strategic Air Command | 429 |
| 15. | Westbrook, Russell | (dynasty) | Chicago Reapers | 429 |
| 16. | Harden, James | Philadelphia Quakers | 429 | |
| 17. | Westbrook, Russell | Alaska Red Bears | 426 | |
| 18. | Johnson, Magic | Sacramento Lions | 426 | |
| 19. | Harden, James | (filler) | Charlotte Spiders | 425 |
| 20. | Harden, James | Louisiana Gators | 425 | |
| 21. | Westbrook, Russell | Atlanta Gorillas | 424 | |
| 22. | Westbrook, Russell | (dynasty) | Milwaukee Skeletons | 423 |
| 23. | Westbrook, Russell | (Luccy8) | Kentucky Horses | 422 |
| 24. | Westbrook, Russell | (Lionbacon) | Iowa Pigs | 422 |
| 25. | Harden, James | (stew) | Denver Eagles | 421 |
| 26. | Johnson, Magic | (roguerouge) | Gorilla City Grodd's Army | 421 |
| 27. | Harden, James | Minnesota Frogs | 419 | |
| 28. | Westbrook, Russell | (bobbycarnes) | New Jersey Devils | 419 |
| 29. | Johnson, Magic | (dynasty) | Alaska Red Bears | 418 |
| 30. | Harden, James | (filler) | Dallas Mustangs | 417 |
| 31. | Westbrook, Russell | (danny3333) | Harlem Globetrotters | 416 |
| 32. | Harden, James | (stew) | Alberta BadNews Beavers | 416 |
| 33. | Harden, James | (bobbycarnes) | New Jersey Devils | 415 |
| 34. | Westbrook, Russell | (walle-1) | New Jersey Devils | 414 |
| 35. | Westbrook, Russell | (filler8) | Las Vegas Gladiators | 414 |
| 36. | Nash, Steve | (Maulucci16) | Texas Western Miners | 412 |
| 37. | Nash, Steve | (shane211) | South Dakota Wild Stallions | 412 |
| 38. | Harden, James | (bheald6) | Hamburg HamBurglars | 411 |
| 39. | Harden, James | (bobbycarnes) | New Jersey Devils | 411 |
| 40. | Harden, James | (walle-1) | New Jersey Devils | 411 |
| 41. | Westbrook, Russell | (Gs93) | Utah Nightmares | 410 |
| 42. | Harden, James | (shane211) | South Dakota Cavs | 410 |
| 43. | Westbrook, Russell | (maulucci16) | 16th Armored Corps | 410 |
| 44. | Harden, James | (bobbycarnes) | New Jersey Devils | 410 |
| 45. | Harden, James | (filler8) | Alaska Red Bears | 409 |
| 46. | Durant, Kevin | (dynasty8) | Phoenix Dragons | 409 |
| 47. | Harden, James | (bobbycarnes) | New Jersey Devils | 408 |
| 48. | Jordan, Michael | (bdavids28) | Constant Motion | 408 |
| 49. | Curry, Stephen | Genie Garage Doors | 408 | |
| 50. | Westbrook, Russell | (RaptorsDemarreCarrol) | Louisiana Gators | 408 |
