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 | (griffeyga) | River City Ransom | 9 |
| 2. | Smith, Ozzie | (coachmcs) | Charlotte Admirals | 0 |
| 3. | Smith, Ozzie | (coachmcs) | Scottsdale Sun Devils | 1 |
| 4. | Smith, Ozzie | (MikeDrop0221) | Tao Yin Yangs | 1 |
| 5. | Simmons, Andrelton | (dmoney4life) | Chicago Black Sox | 14 |
| 6. | Smith, Ozzie | (dynasty) | Baltimore Burners | 2 |
| 7. | Smith, Ozzie | (filler) | Maryland Patriots | 0 |
| 8. | Simmons, Andrelton | (dynasty) | Miami Cats | 8 |
| 9. | Smith, Ozzie | (dunroche) | Texas Racin' Rangers | 1 |
| 10. | Smith, Ozzie | (dynasty) | Sarasota Sharks | 0 |
| 11. | Simmons, Andrelton | (jrobandsteal) | South Bay Fins | 8 |
| 12. | Simmons, Andrelton | (BartVolpe) | Boston Sox | 14 |
| 13. | Smith, Ozzie | (dynasty) | Stromsburg Golden Eagles | 0 |
| 14. | Smith, Ozzie | (dunroche) | Philadelphia Sweet Dees | 1 |
| 15. | Smith, Ozzie | (dynasty) | Baltimore Burners | 2 |
| 16. | Simmons, Andrelton | (filler2) | Des Moines Dumbos | 12 |
| 17. | Simmons, Andrelton | (filler8) | Clairemont Chieftains | 13 |
| 18. | Smith, Ozzie | (AJHawk) | Zion Narrows | 0 |
| 19. | Belanger, Mark | (filler) | Kingston Colts | 0 |
| 20. | Smith, Ozzie | (filler) | Erie Bulldogs | 0 |
| 21. | Smith, Ozzie | (deyanksfan) | Bethany Beach Buddies | 0 |
| 22. | Simmons, Andrelton | (54pete54) | Port Dalhousie Sharks | 12 |
| 23. | Simmons, Andrelton | (griffeyga) | South Dakota Rowdy Renegades | 10 |
| 24. | Simmons, Andrelton | (filler2) | San Francisco Stingers | 14 |
| 25. | Smith, Ozzie | (tgbsbl1967) | St Joe Knights | 2 |
| 26. | Smith, Ozzie | (Shpennymons) | Macungie Blue Angels | 0 |
| 27. | Belanger, Mark | (filler) | Desert City Fonzarellis | 9 |
| 28. | Smith, Ozzie | Chicago White Sox | 1 | |
| 29. | Smith, Ozzie | (sytsmab) | Stooky Stooky | 1 |
| 30. | Smith, Ozzie | (dynasty) | Livermore Quarks | 1 |
| 31. | Belanger, Mark | (filler) | Springfield Spartans | 0 |
| 32. | Simmons, Andrelton | (Hammahead) | CC Cosmos | 11 |
| 33. | Smith, Ozzie | (dunroche) | Beanball EXPRESS | 1 |
| 34. | Belanger, Mark | (tda81) | Kitcharao Killer Bees | 6 |
| 35. | Smith, Ozzie | (Pribby67) | Montana Mustangs | 0 |
| 36. | Simmons, Andrelton | (NatsAreNumber1) | BB Bolts | 8 |
| 37. | Smith, Ozzie | (TramFan) | Kansas Benders | 1 |
| 38. | Belanger, Mark | (filler) | Baltimore Bats | 9 |
| 39. | Simmons, Andrelton | (bfstevens) | 3rd Party Candidates | 17 |
| 40. | Smith, Ozzie | (meddi22) | Philadelphia Cheesesteaks | 2 |
| 41. | Smith, Ozzie | Tokyo Shinobis | 1 | |
| 42. | Simmons, Andrelton | (michelb3514) | Iowa Corn Pickers | 12 |
| 43. | Smith, Ozzie | Hyde Park Maroons | 0 | |
| 44. | Smith, Ozzie | (Ruthbonds) | OREGON WILDCATS | 0 |
| 45. | Smith, Ozzie | (speedymjb) | Ballantine Blasts | 1 |
| 46. | Smith, Ozzie | (dynasty) | Stupid Sharks | 0 |
| 47. | Smith, Ozzie | (dynasty) | Graham’s Moonlighters | 1 |
| 48. | Simmons, Andrelton | (dgeorgi) | GAS HOUSE DIZZY n DAFFY | 8 |
| 49. | Turner, Terry | (GLOBEXcorp) | GLOBEX Corporation | 3 |
| 50. | Smith, Ozzie | (tgbsbl1967) | Clifton Park Savages | 1 |