Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Defense)
Average
OBP
SLG
OPS
At Bats
Runs
Hits
Doubles
Triples
Homers
RBIs
Walks
Strikeouts
Stolen Bases
Caught Stealing
Sac Hits
Sac Fly
HBP
GIDP
D+/-
Wins
Losses
ERA
WHIP
Innings
Hits Allowed
HR Allowed
Walks (P)
Strikeouts (p)
Complete Games
Saves
Blown Saves
Shutouts
Quality Starts
Wild Pitches
Hit Batters
H/9
BB/9
SO/9
| 1. | Simmons, Andrelton | (comriker) | Naples Flyers | 8 |
| 2. | Simmons, Andrelton | (dgeorgi) | CUSTER'S LAST STAND SEVENTH CALVARY | 9 |
| 3. | Simmons, Andrelton | (denniskitts1313) | BoomTown Brawlers | 10 |
| 4. | Simmons, Andrelton | (mattholland1975) | Bar Harbor Lobsters | 5 |
| 5. | Simmons, Andrelton | (Stevenray) | Brooklyn Bulls | 4 |
| 6. | Frisch, Frankie | (dynasty) | About Time | 5 |
| 7. | Simmons, Andrelton | (beefboss2325) | Akron Pirates | 8 |
| 8. | Simmons, Andrelton | (sammy-z) | Baltimore BBCORioles | 13 |
| 9. | Turner, Terry | (GLOBEXcorp) | GLOBEX Corporation | 3 |
| 10. | Simmons, Andrelton | (ScottCornelius) | London Yardbirds | 9 |
| 11. | Simmons, Andrelton | (mattholland1975) | Bozeman Beetles | 4 |
| 12. | Simmons, Andrelton | (sheikyerboudi) | Away Team Redshirts | 11 |
| 13. | Simmons, Andrelton | (ThEiRoNhOrSe04) | Bartonsville Pumas | 6 |
| 14. | Simmons, Andrelton | (Crackpot) | Vermont Phish | 13 |
| 15. | Simmons, Andrelton | (gibblets1973) | Braemere Street Blue Dolphins | 6 |
| 16. | Simmons, Andrelton | (gibblets1973) | Grand Beach NL Gibbon | 12 |
| 17. | Simmons, Andrelton | (Mortamar1966) | Homestead Grays | 10 |
| 18. | Turner, Terry | (Fungoking) | Litchfield Lumber Co. | 0 |
| 19. | Simmons, Andrelton | (Tjm) | Fred Flinstoners | 8 |
| 20. | Simmons, Andrelton | (Mortamar1966) | Kansas City Monarchs | 7 |
| 21. | Simmons, Andrelton | (rreebe916) | Greenwood Trashmen | 4 |
| 22. | Simmons, Andrelton | (filler) | Hilton Head Hobos | 11 |
| 23. | Simmons, Andrelton | (REVEJB) | Jean Ralphios | 8 |
| 24. | Simmons, Andrelton | (Mortamar1966) | Horseshoe Falls Bagniokeepers | 12 |
| 25. | Simmons, Andrelton | (MikeDrop0221) | SouthSide Showtime | 12 |
| 26. | Simmons, Andrelton | (ThEiRoNhOrSe04) | Portland Bounty | 14 |
| 27. | Simmons, Andrelton | (tgbsbl1967) | Lexington Legends | 12 |
| 28. | Simmons, Andrelton | (Tjm) | Baseball Stars | 3 |
| 29. | Simmons, Andrelton | (filler8) | Miami Devils | 6 |
| 30. | Simmons, Andrelton | (filler) | NORTH LITTLE ROCK RENEGADES | 7 |
| 31. | Simmons, Andrelton | (gibblets1973) | North River Night Hawks | 4 |
| 32. | Smith, Ozzie | (Tbone34) | Rhyl Rockets | 0 |
| 33. | Simmons, Andrelton | (tgbsbl1967) | Baltimore Burners | 9 |
| 34. | Simmons, Andrelton | (Mortamar1966) | Kansas City Monarchs | 3 |
| 35. | Fletcher, Art | (gibblets1973) | Grand Falls Grey Geese | 2 |
| 36. | Simmons, Andrelton | (richgibson) | Grand INQUISITORS | 9 |
| 37. | Simmons, Andrelton | (Stevenray) | Brooklyn Broncos | 8 |
| 38. | Simmons, Andrelton | (tgbsbl1967) | Newberry Hitmen | 13 |
| 39. | Simmons, Andrelton | (nycubsfan) | Huntsville Bearkats | 5 |
| 40. | Simmons, Andrelton | (rfb60609) | Doubling Gap Yolijwas | 11 |
| 41. | Turner, Terry | (gibblets1973) | Gander Flyers | 3 |
| 42. | Simmons, Andrelton | (tgbsbl1967) | Mohawk Valley Reds | 12 |
| 43. | Simmons, Andrelton | (chaaad) | Mexico City Diablos Rojo | 14 |
| 44. | Smith, Ozzie | (bostontex24) | Boston Lions | 1 |
| 45. | Simmons, Andrelton | (rfb60609) | Biglerville Apple Pickers | 8 |
| 46. | Simmons, Andrelton | (sabotage) | Oakmont Sabotage Dukes | 9 |
| 47. | Simmons, Andrelton | (Rainman) | Miskatonic Mythos | 9 |
| 48. | Simmons, Andrelton | (Trulaia) | NYC Boys of Summer | 11 |
| 49. | Smith, Ozzie | (dunroche) | Nevada Racin' Rebels | 0 |
| 50. | Simmons, Andrelton | (jamin) | Chester Springs Menjai | 4 |
