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. | Scott, Mike | (gr33nappleboy) | Chittenango Diamonds | 11 |
| 2. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 3. | Righetti, Dave | (BamaTrashman) | Alabama Terror | 10 |
| 4. | Righetti, Dave | (kaden) | Baltimore Orioles | 10 |
| 5. | Palmer, Jim | (kingstreet) | Singapore Slingers | 10 |
| 6. | Scott, Mike | (ThEiRoNhOrSe04) | Hoboken Zephyrs | 10 |
| 7. | Clemens, Roger | (ClassicOs) | Baltimore Orioles | 10 |
| 8. | Richard, J.R. | (sammy-z) | Grand Tower Sammies | 10 |
| 9. | Johnson, Walter | (ranger) | ROSWELL ALIENS | 10 |
| 10. | Kluber, Corey | (RichieBlondet) | Manhattan Valley The Good Rats | 9 |
| 11. | Scott, Mike | (shane211) | South Dakota Bears | 9 |
| 12. | Sutton, Don | (Gaberino) | Raleigh Bees | 9 |
| 13. | Schilling, Curt | (Mitch44) | Honolulu Sharks | 9 |
| 14. | Lincecum, Tim | (ClassicOs) | Baltimore Orioles | 9 |
| 15. | Clemens, Roger | (dgeorgi) | SPIDER TACK STICKY FINGERS | 9 |
| 16. | Palmer, Jim | (BaltimoreChop) | Bmore Blue Crabs | 9 |
| 17. | Krukow, Mike | Judge Smails | 9 | |
| 18. | Gibson, Bob | (chaaad) | NYU Violets | 9 |
| 19. | Johnson, Randy | (Progames464) | Havana Flashback | 9 |
| 20. | Walsh, Ed | (chaaad) | BALCO Olympians | 9 |
| 21. | Gooden, Dwight | (befulton) | NC Black Dogs | 9 |
| 22. | Walsh, Ed | (Gaberino) | Trailer Park Boys | 9 |
| 23. | Walsh, Ed | (zeedood) | Maui Megalodons | 9 |
| 24. | Schilling, Curt | San Diego Suns | 9 | |
| 25. | Gibson, Bob | Chattanooga Colt 45s | 8 | |
| 26. | Johnson, Randy | (REVEJB) | Glens Allen Hills | 8 |
| 27. | Johnson, Randy | (shane211) | South Dakota Thistles | 8 |
| 28. | Martinez, Pedro | (mrbubbles1967) | Seattle Soundgardens | 8 |
| 29. | Clemens, Roger | (iamcota) | Porter Lynch Pine Loggers | 8 |
| 30. | Koufax, Sandy | (WorcWarr) | Worcester Warriors | 8 |
| 31. | McNally, Dave | (mattholland1975) | Seattle Pilots | 8 |
| 32. | Perry, Gaylord | (Theo_smith) | East Nashville Vinyl | 8 |
| 33. | Richard, J.R. | (dynasty) | Chittenango Bears | 8 |
| 34. | Blue, Vida | (Theo_smith) | East Nashville Vinyl | 8 |
| 35. | Blue, Vida | (Ajhawk) | Milwaukee Brewers | 8 |
| 36. | Carlton, Steve | (829er) | Lothair Greifzens | 8 |
| 37. | Rogers, Steve | (kingstreet) | Singapore Slingers | 8 |
| 38. | Martinez, Pedro | (ThEiRoNhOrSe04) | Liberty Banditos | 8 |
| 39. | Righetti, Dave | (theo_smith) | Ithaca Rhinos | 8 |
| 40. | Carlton, Steve | (great23) | Burlington Foresters | 8 |
| 41. | Seaver, Tom | (filler) | Ocean City Seagulls | 8 |
| 42. | Gooden, Dwight | (ClassicOs) | Baltimore Orioles | 8 |
| 43. | Tudor, John | (Theo_smith) | Ithaca Rhinos | 8 |
| 44. | Alexander, Pete | (Conniemack) | Chicago American-Giants | 8 |
| 45. | Wilson, Don | (kingstreet) | Singapore Slingers | 8 |
| 46. | Brown, Mordecai | (PalinJames) | Erie Buccaneers | 8 |
| 47. | Kershaw, Clayton | (PalinJames) | Erie Buccaneers | 8 |
| 48. | Clemens, Roger | (pottlekid) | Twin Cities Twins | 8 |
| 49. | Koufax, Sandy | (ALilWonky) | Washington Senators | 8 |
| 50. | Gooden, Dwight | (theo_smith) | Ithaca Rhinos | 8 |