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 | (jericho2u) | Honolulu Hooters | 9 |
| 2. | Smith, Ozzie | (filler) | Flying Spaghetti Monsters | 0 |
| 3. | Smith, Ozzie | (filler) | Scottsdale Sun Devils | 1 |
| 4. | Smith, Ozzie | (will_L) | New York Empires | 1 |
| 5. | Simmons, Andrelton | (kingstreet) | Singapore Slingers | 14 |
| 6. | Smith, Ozzie | (Willy1717) | Baltimore Burners | 2 |
| 7. | Smith, Ozzie | (MikeDrop0221) | Rubber Meat | 0 |
| 8. | Smith, Ozzie | (rreebe916) | Texas SWAT | 1 |
| 9. | Simmons, Andrelton | (filler) | Miami Cats | 8 |
| 10. | Simmons, Andrelton | (Jrobandsteal) | South Bay Fins | 8 |
| 11. | Smith, Ozzie | (filler) | Sarasota Sharks | 0 |
| 12. | Simmons, Andrelton | (kingstreet) | Singapore Slingers | 14 |
| 13. | Smith, Ozzie | (filler) | New York Dingers | 1 |
| 14. | Smith, Ozzie | (maulucci16) | Charlie's Bar and Grill | 0 |
| 15. | Smith, Ozzie | (filler) | Middle River Cave Men | 0 |
| 16. | Smith, Ozzie | (VonVeezil) | Baltimore Burners | 2 |
| 17. | Simmons, Andrelton | (BigRedMachine90) | Huntington Horny Toads | 12 |
| 18. | Belanger, Mark | (Willy1717) | Kingston Colts | 0 |
| 19. | Simmons, Andrelton | Clairemont Chieftains | 13 | |
| 20. | Smith, Ozzie | (greg63potosky) | Indiana Bulldogs | 0 |
| 21. | Simmons, Andrelton | (Stevegiles10) | Middle Georgia 2010s Rowdy Renegades | 10 |
| 22. | Simmons, Andrelton | (MLBnation) | The Dangerous Alliance | 12 |
| 23. | Smith, Ozzie | (dynasty) | BB Buddies | 0 |
| 24. | Smith, Ozzie | (dynasty) | PHILADELPHIA EAGLES | 0 |
| 25. | Smith, Ozzie | (tgbsbl1967) | St Joe Knights | 2 |
| 26. | Belanger, Mark | (d7slick) | Desert City Fonzarellis | 9 |
| 27. | Belanger, Mark | Springfield Spartans | 0 | |
| 28. | Smith, Ozzie | 5 rye Whiskey | 1 | |
| 29. | Smith, Ozzie | (mattholland1975) | Chicago White Sox | 1 |
| 30. | Smith, Ozzie | (sytsmab) | Stooky Stooky | 1 |
| 31. | Simmons, Andrelton | (Gaberino) | Chenango Wolves | 11 |
| 32. | Smith, Ozzie | Beanball EXPRESS | 1 | |
| 33. | Smith, Ozzie | (Pribby67) | Green Bay Booyah | 0 |
| 34. | Simmons, Andrelton | (shane211) | South Dakota Smoke | 17 |
| 35. | Smith, Ozzie | (filler) | Batista Cubans | 1 |
| 36. | Belanger, Mark | (filler) | UTAH LAWMEN | 9 |
| 37. | Smith, Ozzie | (filler) | Tokyo Shinobis | 1 |
| 38. | Smith, Ozzie | (filler) | Stupid Sharks | 0 |
| 39. | Smith, Ozzie | (ruthbonds) | OREGON WILDCATS | 0 |
| 40. | Smith, Ozzie | (mduse) | Taoyuan Hainigen | 1 |
| 41. | Smith, Ozzie | (konakev) | Torrance Rat Dog Eaters | 1 |
| 42. | Smith, Ozzie | (ericsk0122) | Hyde Park Maroons | 0 |
| 43. | Smith, Ozzie | (dynasty) | Towson Generals | 1 |
| 44. | Smith, Ozzie | (Pman) | Clifton Park Land of Velveta | 1 |
| 45. | Frisch, Frankie | (maxfischer) | Lake Placid Olympians | 7 |
| 46. | Smith, Ozzie | Stillwater Cowboys | 1 | |
| 47. | Smith, Ozzie | (filler) | Boston B’s | 2 |
| 48. | Smith, Ozzie | Macungie Mewlers | 0 | |
| 49. | Belanger, Mark | (YS) | Minnesota Wild Wolves | 2 |
| 50. | Smith, Ozzie | (REVEJB) | Delaware Dogfish Heads | 0 |