Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Turnovers)
| 1. | Stockton, John | (filler) | Miami Serpents | 492 |
| 2. | Johnson, Magic | (filler8) | Las Vegas Gladiators | 488 |
| 3. | Harden, James | (filler) | Montana Ducks | 455 |
| 4. | Westbrook, Russell | Hawaii Eruptions | 450 | |
| 5. | Westbrook, Russell | (danny3333) | New Ỏrleans Jazz | 449 |
| 6. | Harden, James | (dynasty) | Sacramento Lions | 447 |
| 7. | Harden, James | (walle-1) | Dallas Mustangs | 444 |
| 8. | Johnson, Magic | (dynasty) | Milwaukee Skeletons | 434 |
| 9. | Westbrook, Russell | (filler) | Minnesota Frogs | 432 |
| 10. | Harden, James | (filler8) | Las Vegas Gladiators | 431 |
| 11. | Thomas, Isiah | (Maulucci16) | Strategic Air Command | 429 |
| 12. | Westbrook, Russell | Great Lakes Gorillas 🦍 | 429 | |
| 13. | Harden, James | (DelcoChip) | Philadelphia Quakers | 429 |
| 14. | Westbrook, Russell | (dynasty8) | Alaska Red Bears | 426 |
| 15. | Johnson, Magic | (walle-1) | Sacramento Lions | 426 |
| 16. | Harden, James | (filler) | Alaska Red Bears | 425 |
| 17. | Harden, James | (filler8) | Louisiana Gators | 425 |
| 18. | Westbrook, Russell | (filler8) | Atlanta Gorillas | 424 |
| 19. | Westbrook, Russell | (dynasty) | Seattle Sloths | 423 |
| 20. | Westbrook, Russell | (Luccy8) | Kentucky Horses | 422 |
| 21. | Westbrook, Russell | (walle-2) | Iowa Pigs | 422 |
| 22. | Harden, James | Denver Eagles | 421 | |
| 23. | Johnson, Magic | (roguerouge) | Gorilla City Grodd's Army | 421 |
| 24. | Harden, James | (filler) | Minnesota Frogs | 419 |
| 25. | Westbrook, Russell | (dynasty8) | New Jersey Devils | 419 |
| 26. | Johnson, Magic | (dynasty) | Louisiana Gators | 418 |
| 27. | Westbrook, Russell | (danny3333) | Harlem Globetrotters | 416 |
| 28. | Harden, James | (jim2miller) | Niles Fire | 416 |
| 29. | Harden, James | (dynasty8) | New Jersey Devils | 415 |
| 30. | Westbrook, Russell | (filler8) | Pittsburgh Plunder | 414 |
| 31. | Nash, Steve | (shane211) | South Dakota Wild Stallions | 412 |
| 32. | Nash, Steve | (Maulucci16) | Texas Western Miners | 412 |
| 33. | Harden, James | (bheald6) | Hamburg HamBurglars | 411 |
| 34. | Harden, James | (dynasty8) | New Jersey Devils | 411 |
| 35. | Harden, James | (walle-1) | Dallas Mustangs | 411 |
| 36. | Westbrook, Russell | (filler) | Utah Nightmares | 410 |
| 37. | Harden, James | (shane211) | South Dakota Cavs | 410 |
| 38. | Harden, James | (dynasty8) | New Jersey Devils | 410 |
| 39. | Westbrook, Russell | (maulucci16) | 16th Armored Corps | 410 |
| 40. | Durant, Kevin | (dalbpho8) | Hoopz Zilla | 409 |
| 41. | Harden, James | (filler8) | Boston Bees | 409 |
| 42. | Jordan, Michael | (KingBaby64) | Washington Bullets | 408 |
| 43. | Harden, James | (dynasty8) | New Jersey Devils | 408 |
| 44. | Curry, Stephen | (dalbpho8) | Genie Garage Doors | 408 |
| 45. | Westbrook, Russell | Louisiana Gators | 408 | |
| 46. | Johnson, Magic | (Chase123) | Hawaii LOSTies | 407 |
| 47. | Johnson, Magic | (filler8) | Las Vegas Gladiators | 407 |
| 48. | Young, Trae | Denver Eagles | 407 | |
| 49. | Westbrook, Russell | (shane211) | South Dakota Balling Wolves | 405 |
| 50. | Westbrook, Russell | (filler8) | Carolina Bulldogs | 405 |
