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. | Blue, Vida | (kingstreet) | Singapore Slingers | 12 |
| 2. | McNally, Dave | (PalinJames) | Erie Buccaneers | 12 |
| 3. | Martinez, Pedro | (sgt714) | Boston Red Sox | 11 |
| 4. | Scott, Mike | (gr33nappleboy) | Chittenango Diamonds | 11 |
| 5. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 6. | Johnson, Randy | Holden Toodix | 11 | |
| 7. | Scott, Mike | (ThEiRoNhOrSe04) | Hoboken Zephyrs | 10 |
| 8. | Johnson, Walter | (Nammerz) | Laguna Niguel Bluejays | 10 |
| 9. | Johnson, Randy | (batista) | Bartonsville Pumas | 10 |
| 10. | Sutton, Don | (kingstreet) | Singapore Straits Pirates | 10 |
| 11. | Palmer, Jim | (kingstreet) | Singapore Slingers | 10 |
| 12. | Clemens, Roger | (ClassicOs) | Baltimore Orioles | 10 |
| 13. | Nomo, Hideo | (lliccijr) | New Orleans Captains | 10 |
| 14. | Scherzer, Max | (dunroche) | Coachella Valley Wine Tasters | 10 |
| 15. | Martinez, Pedro | (richgibson) | Whiskey Rebel REGuLATORS | 10 |
| 16. | Richard, J.R. | (gibblets1973) | Greenspond Trail | 10 |
| 17. | McCatty, Steve | (vintageballs) | Arizona Sunshine | 9 |
| 18. | Clemens, Roger | (dgeorgi) | SPIDER TACK STICKY FINGERS | 9 |
| 19. | Gibson, Bob | (iamcota) | Manchester Mangos | 9 |
| 20. | Greinke, Zack | (filler) | Singapore Blue Jays | 9 |
| 21. | Johnson, Walter | (coachmcs) | Feline Wiffs | 9 |
| 22. | Perez, Pascual | (filler) | Staten Island Pumas | 9 |
| 23. | Kluber, Corey | (RichieBlondet) | Manhattan Valley The Good Rats | 9 |
| 24. | Martinez, Pedro | (Bluesig) | Mataasnakahoy Avatars | 9 |
| 25. | Gibson, Bob | (chaaad) | NYU Violets | 9 |
| 26. | Johnson, Randy | Pawtucket Red Sox | 9 | |
| 27. | Lincecum, Tim | (ClassicOs) | Baltimore Orioles | 9 |
| 28. | Scott, Mike | (srv95112) | Chittenango Bears | 9 |
| 29. | Schilling, Curt | (jackfactor) | San Diego Suns | 9 |
| 30. | Walsh, Ed | (chaaad) | BALCO Olympians | 9 |
| 31. | Tiant, Luis | (plpl512) | Montreal Monarchs | 8 |
| 32. | Martinez, Pedro | (metfan1) | Batonsville Pumas | 8 |
| 33. | Brown, Kevin | (greg_the_egg) | Boomtown Crushalots | 8 |
| 34. | Koufax, Sandy | (drh4740) | Chicago White Sox | 8 |
| 35. | Tudor, John | (Roadmap) | Medford Mounts | 8 |
| 36. | Carlton, Steve | (Arch0401) | South Fort Smith Smokers | 8 |
| 37. | Seaver, Tom | (ironmen) | Ocean City Seagulls | 8 |
| 38. | Gooden, Dwight | (ClassicOs) | Baltimore Orioles | 8 |
| 39. | Martinez, Pedro | (shelley71) | Gulf Coast Sharks | 8 |
| 40. | Martinez, Pedro | (rreebe916) | Muswell Hillbillies | 8 |
| 41. | Rogers, Steve | (tda81) | Chittenango Diamonds | 8 |
| 42. | Alexander, Pete | (Conniemack) | Chicago American-Giants | 8 |
| 43. | McLain, Denny | (DaveH) | Ladson Dodgers | 8 |
| 44. | Seaver, Tom | (honez) | Idaho Slaming Bandits | 8 |
| 45. | Koufax, Sandy | (chaaad) | Hudson Valley Renegades | 8 |
| 46. | Blue, Vida | (DaveH) | Ladson Cougars | 8 |
| 47. | Koufax, Sandy | (Horsehide) | Horsehides Browns | 8 |
| 48. | Hunter, Catfish | (Hendu42) | Reno Singers | 8 |
| 49. | Gibson, Bob | (WorcWarr) | Worcester Warriors | 8 |
| 50. | Martinez, Pedro | (plpl512) | Montreal Expos | 8 |