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 | (Datboi69) | Arizona Cavemen | 14 |
| 2. | Smith, Ozzie | (dynasty) | Baltimore Burners | 2 |
| 3. | Smith, Ozzie | (Wileydog97) | Raleigh Top Hats | 0 |
| 4. | Simmons, Andrelton | (filler) | Slappy Go Luckys | 8 |
| 5. | Smith, Ozzie | (filler) | Sarasota Sharks | 0 |
| 6. | Simmons, Andrelton | (filler) | Boston Sox | 14 |
| 7. | Smith, Ozzie | (filler) | Albuquerque Hammers | 0 |
| 8. | Simmons, Andrelton | (filler8) | Clairemont Chieftains | 13 |
| 9. | Smith, Ozzie | (filler) | Baltimore Burners | 2 |
| 10. | Simmons, Andrelton | (denniskitts1313) | BoomTown Brawlers | 10 |
| 11. | Simmons, Andrelton | (griffeyga) | South Dakota Rowdy Renegades | 10 |
| 12. | Simmons, Andrelton | (shane211) | South Dakota Sharks | 12 |
| 13. | Smith, Ozzie | (Shpennymons) | Macungie Blue Angels | 0 |
| 14. | Belanger, Mark | AL East All-Stars | 0 | |
| 15. | Simmons, Andrelton | (zigwiggity) | San Francisco Stingers | 14 |
| 16. | Smith, Ozzie | (Ruthbonds) | Stooky Stooky | 1 |
| 17. | Smith, Ozzie | (filler) | Chicago White Sox | 1 |
| 18. | Smith, Ozzie | (dynasty) | Livermore Quarks | 1 |
| 19. | Simmons, Andrelton | (dynasty) | Osaka Snazz | 11 |
| 20. | Belanger, Mark | (robmb) | Ramsey Rangers | 6 |
| 21. | Simmons, Andrelton | (Egaunay) | South Dakota Hitmen | 8 |
| 22. | Smith, Ozzie | (dynasty) | Montana Mustangs | 0 |
| 23. | Simmons, Andrelton | (michelb3514) | Iowa Corn Pickers | 12 |
| 24. | Smith, Ozzie | (tjm) | Philadelphia Wiseguys | 2 |
| 25. | Simmons, Andrelton | (bfstevens) | 3rd Party Candidates | 17 |
| 26. | Smith, Ozzie | (filler) | Kansas Benders | 1 |
| 27. | Smith, Ozzie | (filler8) | Stupid Sharks | 0 |
| 28. | Smith, Ozzie | (richgibson) | Opus D Blasphemers | 0 |
| 29. | Smith, Ozzie | (filler8) | Ballantine Blasts | 1 |
| 30. | Turner, Terry | (GLOBEXcorp) | GLOBEX Corporation | 3 |
| 31. | Simmons, Andrelton | (LilRed2806) | GAS HOUSE DIZZY n DAFFY | 8 |
| 32. | Frisch, Frankie | (filler) | Lake Placid Olympians | 7 |
| 33. | Smith, Ozzie | (filler8) | Towson Generals | 1 |
| 34. | Simmons, Andrelton | (filler) | Round Rock Rhinos | 13 |
| 35. | Simmons, Andrelton | (sammy-z) | Middle Eastern Nightmares | 10 |
| 36. | Smith, Ozzie | (filler) | Stillwater Cowboys | 1 |
| 37. | Smith, Ozzie | (ParkerBeck) | Baltimore Crab Cakes | 0 |
| 38. | Simmons, Andrelton | (ThEiRoNhOrSe04) | Portland Bounty | 7 |
| 39. | Simmons, Andrelton | (tribetime89) | Montreal Expos | 11 |
| 40. | Belanger, Mark | (theo_smith) | East Nashville Vinyl | 2 |
| 41. | Smith, Ozzie | (Vernorama) | Delta Blues | 0 |
| 42. | Belanger, Mark | (kingstreet) | Singapore Slingers | 4 |
| 43. | Smith, Ozzie | (dynasty) | BALTIMORE BURNERS | 2 |
| 44. | Simmons, Andrelton | (shelley71) | Moose Jaw Stuffed Savages | 4 |
| 45. | Smith, Ozzie | (rainman) | Jambi's Wish | 0 |
| 46. | Simmons, Andrelton | (filler2) | New York Mets | 10 |
| 47. | Simmons, Andrelton | (griffeyga) | River City Ransom | 12 |
| 48. | Simmons, Andrelton | (ThEiRoNhOrSe04) | Portland Bounty | 7 |
| 49. | Smith, Ozzie | (filler) | Santa Fe Ranchers | 0 |
| 50. | Simmons, Andrelton | (tda81) | Anaheim Halos | 8 |