Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Shutouts)
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. | Fujimoto, Hideo | (GlansGruber) | Honda Ruckus | 11 |
| 2. | Fujimoto, Hideo | (Ichiro51) | Toronto Blue Jays | 11 |
| 3. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 4. | Righetti, Dave | (filler) | West Lala Mudcats | 10 |
| 5. | Martinez, Pedro | (chaaad) | BX Bombers | 10 |
| 6. | Johnson, Randy | (shelley71) | New York Dick Pound | 10 |
| 7. | Righetti, Dave | (Nittanychris) | Dixie Boy Happy Toyz | 10 |
| 8. | Richard, J.R. | (gibblets1973) | Eastport Entity | 10 |
| 9. | Ryan, Nolan | (denniskitts1313) | Team Brawlers | 9 |
| 10. | Gooden, Dwight | (befulton) | NC Black Dogs | 9 |
| 11. | Koufax, Sandy | (bmac48) | Naples Palms | 9 |
| 12. | Starffin, Victor | (Bigjoe52) | Diaper Dandys | 9 |
| 13. | Sutton, Don | (Caphowdy504) | Springfield Troy McClures | 9 |
| 14. | Gibson, Bob | (richp) | LOUISIANA CAJINS | 9 |
| 15. | Schilling, Curt | (Jerrystakhouse17) | Boston Bees | 9 |
| 16. | Walsh, Ed | (richgibson) | Harveys Pookas | 9 |
| 17. | Tiant, Luis | (Farmerfrank88) | Braddock Lightning Dream | 9 |
| 18. | Walsh, Ed | (Artinshki) | Town Ball Wiffers | 9 |
| 19. | Downing, Al | (richgibson) | Knuckle Draggers | 9 |
| 20. | Sutton, Don | (chaaad) | UConn Huskies | 9 |
| 21. | Clemens, Roger | (aaabob) | Windsor White's Other I's | 9 |
| 22. | Starffin, Victor | (TheDean57) | Stray Kids | 9 |
| 23. | Tiant, Luis | (Mortamar1966) | Kansas City Monarchs | 9 |
| 24. | Koufax, Sandy | (dynasty8) | Kaslo Whiskey Jacks | 9 |
| 25. | Gibson, Bob | (plpl512) | Edmonton Cracker Cats | 9 |
| 26. | Maddux, Greg | (Jimfas80) | Broomall Bulldogs | 9 |
| 27. | Blue, Vida | (whtsittou83) | Marion Center Burglars | 9 |
| 28. | Whitney, Jim | (filler) | Chicago Outlaws | 9 |
| 29. | Ryan, Nolan | (dynasty8) | Tampa Looters | 9 |
| 30. | Joss, Addie | (WorcWarr) | Worcester Warriors | 9 |
| 31. | Scott, Mike | (gibblets1973) | Eastport Entity | 9 |
| 32. | Perry, Gaylord | (Theo_smith) | East Nashville Vinyl | 9 |
| 33. | Fujimoto, Hideo | (DaveH) | Shochiku Robins | 9 |
| 34. | Richard, J.R. | (GreggA77) | Chicago Second Spitters | 9 |
| 35. | Gooden, Dwight | (dynasty8) | Saban Retirees | 9 |
| 36. | Martinez, Pedro | (Artinshki) | Base Ball Classics | 9 |
| 37. | Krukow, Mike | (DaveH) | Ladson Cougars | 9 |
| 38. | Palmer, Jim | (chunkyschumps) | Tampa Bay Diamond Dogs | 9 |
| 39. | Rogers, Steve | (kingstreet) | Singapore Slingers | 8 |
| 40. | Maddux, Greg | (babyave1) | Noble Knights | 8 |
| 41. | Koufax, Sandy | (chaaad) | Amsterdam Rugmakers | 8 |
| 42. | Joss, Addie | (filler) | Why Does My Pee Smell Like Ham | 8 |
| 43. | Gooden, Dwight | Big City Slams | 8 | |
| 44. | Gibson, Bob | (nullmeyer) | Prison Break | 8 |
| 45. | Alexander, Pete | (filler) | Cleveland Sand Gnats | 8 |
| 46. | Walsh, Ed | (filler) | ARKANSAS CLUBBERS | 8 |
| 47. | Ryan, Nolan | (gibblets1973) | South River Arrows | 8 |
| 48. | Rogers, Steve | (gibblets1973) | Ellston Eagles | 8 |
| 49. | Valenzuela, Fernando | (Roots) | Montreal Monarchs | 8 |
| 50. | Koufax, Sandy | (idesofmarch) | Crieff Highlanders | 8 |
