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 | (griffenberg) | 615 この場所から出て | 11 |
| 2. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 3. | Fujimoto, Hideo | (glansgruber) | Honda Ruckus | 11 |
| 4. | Martinez, Pedro | (paranoid) | Las Vegas Silver Knights | 10 |
| 5. | Righetti, Dave | (jericho2u) | Dixie Boy Happy Toyz | 10 |
| 6. | Clemens, Roger | (EdgarSFuego) | TEX TEX | 10 |
| 7. | Scott, Mike | (ThEiRoNhOrSe04) | Hoboken Zephyrs | 10 |
| 8. | Righetti, Dave | (filler) | West Lala Mudcats | 10 |
| 9. | Johnson, Randy | (iceman18) | New York Mets | 10 |
| 10. | Blue, Vida | (Lstiver) | Marion Center Burglars | 9 |
| 11. | Downing, Al | (honez) | South Dakota Dodgers | 9 |
| 12. | Whitney, Jim | (filler8) | Chicago Outlaws | 9 |
| 13. | Gooden, Dwight | (befulton) | NC Black Dogs | 9 |
| 14. | Ryan, Nolan | (filler) | Macon Bacon | 9 |
| 15. | Starffin, Victor | 茨木市 どうじ | 9 | |
| 16. | Fujimoto, Hideo | (DaveH) | Shochiku Robins | 9 |
| 17. | Richard, J.R. | The Tenance | 9 | |
| 18. | Sutton, Don | (Caphowdy504) | Springfield Troy McClures | 9 |
| 19. | Gibson, Bob | (paranoid) | Las Vegas Black Widows | 9 |
| 20. | Starffin, Victor | (Bigjoe52) | Diaper Dandys | 9 |
| 21. | Gooden, Dwight | (hunterzarkowsky) | Toledo Walleye | 9 |
| 22. | Koufax, Sandy | (dynasty) | Kaslo Whiskey Jacks | 9 |
| 23. | Krukow, Mike | (DaveH) | Ladson Cougars | 9 |
| 24. | Palmer, Jim | Balmer Yard Birds | 9 | |
| 25. | Sutton, Don | (chaaad) | UConn Huskies | 9 |
| 26. | Clemens, Roger | (aaabob) | Windsor White's Other I's | 9 |
| 27. | Schilling, Curt | (P-ItsBones) | Honolulu Sharks | 9 |
| 28. | Schilling, Curt | Nassau Human Salesmen | 9 | |
| 29. | Martinez, Pedro | (Artinshki) | Base Ball Classics | 9 |
| 30. | Walsh, Ed | (meddi22) | Dodge City Gunslingers | 9 |
| 31. | Walsh, Ed | (FJS) | Mulberry Street Stickballers | 9 |
| 32. | Scott, Mike | (gibblets1973) | Eastport Entity | 9 |
| 33. | Richard, J.R. | (bostontex24) | Boston Bees | 8 |
| 34. | Gooden, Dwight | (Teegirl77) | Oakville Bolts | 8 |
| 35. | Halladay, Roy | (currden) | Wareham Gatemen | 8 |
| 36. | Hunter, Catfish | (PMac) | Mogote Mountain Bears | 8 |
| 37. | Koufax, Sandy | (hayzess) | Puyallup Panthers | 8 |
| 38. | Ryan, Nolan | (gibblets1973) | South River Arrows | 8 |
| 39. | Starffin, Victor | (andyyoung) | Fukuoka Softbank Hawks | 8 |
| 40. | Carlton, Steve | (Mortamar1966) | Kansas City Monarchs | 8 |
| 41. | Martinez, Pedro | (jeter0296) | Freehold Yankees | 8 |
| 42. | Guidry, Ron | (Bsinco) | South Dakota Reapers | 8 |
| 43. | Swan, Craig | (befulton) | Yukon Huskies 4 | 8 |
| 44. | Tiant, Luis | (Happyfrank49) | Providence Greys | 8 |
| 45. | Hunter, Catfish | (Stingers555) | Nottingham Stingers | 8 |
| 46. | Rogers, Steve | (kingstreet) | Singapore Slingers | 8 |
| 47. | Maddux, Greg | (babyave1) | Noble Knights | 8 |
| 48. | Koufax, Sandy | (chaaad) | Amsterdam Rugmakers | 8 |
| 49. | Blue, Vida | (babyave1) | Virginia Sluggers | 8 |
| 50. | Gooden, Dwight | (Apops72) | Big City Slams | 8 |
