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. | McNally, Dave | (PalinJames) | Erie Buccaneers | 12 |
| 2. | Blue, Vida | (kingstreet) | Singapore Slingers | 12 |
| 3. | Johnson, Randy | Holden Toodix | 11 | |
| 4. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 5. | Scott, Mike | (gr33nappleboy) | Chittenango Diamonds | 11 |
| 6. | Martinez, Pedro | (sgt714) | Boston Red Sox | 11 |
| 7. | Johnson, Walter | (Nammerz) | Laguna Niguel Bluejays | 10 |
| 8. | Clemens, Roger | (ClassicOs) | Baltimore Orioles | 10 |
| 9. | Nomo, Hideo | (lliccijr) | New Orleans Captains | 10 |
| 10. | Sutton, Don | (kingstreet) | Singapore Straits Pirates | 10 |
| 11. | Scott, Mike | (ThEiRoNhOrSe04) | Hoboken Zephyrs | 10 |
| 12. | Scherzer, Max | (dunroche) | Coachella Valley Wine Tasters | 10 |
| 13. | Martinez, Pedro | (richgibson) | Whiskey Rebel REGuLATORS | 10 |
| 14. | Johnson, Randy | Bartonsville Pumas | 10 | |
| 15. | Richard, J.R. | (gibblets1973) | Greenspond Trail | 10 |
| 16. | Palmer, Jim | (kingstreet) | Singapore Slingers | 10 |
| 17. | Walsh, Ed | (chaaad) | BALCO Olympians | 9 |
| 18. | Greinke, Zack | (filler) | Singapore Blue Jays | 9 |
| 19. | Clemens, Roger | (dgeorgi) | SPIDER TACK STICKY FINGERS | 9 |
| 20. | Gibson, Bob | (chaaad) | NYU Violets | 9 |
| 21. | Lincecum, Tim | (ClassicOs) | Baltimore Orioles | 9 |
| 22. | Kluber, Corey | (RichieBlondet) | Manhattan Valley The Good Rats | 9 |
| 23. | McCatty, Steve | (vintageballs) | Arizona Sunshine | 9 |
| 24. | Scott, Mike | (srv95112) | Chittenango Bears | 9 |
| 25. | Gibson, Bob | (iamcota) | Manchester Mangos | 9 |
| 26. | Martinez, Pedro | (Bluesig) | Mataasnakahoy Avatars | 9 |
| 27. | Johnson, Randy | Pawtucket Red Sox | 9 | |
| 28. | Schilling, Curt | (jackfactor) | San Diego Suns | 9 |
| 29. | Johnson, Walter | (coachmcs) | Feline Wiffs | 9 |
| 30. | Perez, Pascual | (filler) | Staten Island Pumas | 9 |
| 31. | Ryan, Nolan | (leprechaunjm) | Sawdust City Original Brews | 8 |
| 32. | Santana, Johan | (greg_the_egg) | Boomtown Crushalots | 8 |
| 33. | Pfiester, Jack | (filler) | Mojave Desert Route 666ers | 8 |
| 34. | Tiant, Luis | (Iamcota) | Londonderry LIzard Kings | 8 |
| 35. | Overall, Orval | (bravesman) | Shreveport Storm | 8 |
| 36. | Verlander, Justin | (sytsmab) | Asbury Park LUMPEN PROLS | 8 |
| 37. | Johnson, Randy | (andyyoung) | Midland Rockhounds | 8 |
| 38. | Tanana, Frank | Up In Smoke Lava Lamps | 8 | |
| 39. | Scott, Mike | (filler8) | Corellian Aces | 8 |
| 40. | Richard, J.R. | (WorcWarr) | Worcester Warriors | 8 |
| 41. | Hunter, Catfish | (Sidneypointers) | Broadlands Bolts | 8 |
| 42. | Alexander, Pete | (Conniemack) | Chicago American-Giants | 8 |
| 43. | Martinez, Pedro | (Brenzini) | Oakmont Leftys | 8 |
| 44. | Wilson, Don | (DaveH) | Ladson Cougars | 8 |
| 45. | Brown, Kevin | (greg_the_egg) | Boomtown Crushalots | 8 |
| 46. | Johnson, Randy | (PicklePunk20) | Kenora Thistles | 8 |
| 47. | Blue, Vida | (filler) | Osceola Carp | 8 |
| 48. | Hunter, Catfish | (Hendu42) | Reno Singers | 8 |
| 49. | Gibson, Bob | (WorcWarr) | Worcester Warriors | 8 |
| 50. | Seaver, Tom | (cshaffer) | Partridge Family | 8 |