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. | Scott, Mike | (gr33nappleboy) | Chittenango Diamonds | 11 |
| 3. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 4. | Clemens, Roger | (ClassicOs) | Baltimore Orioles | 10 |
| 5. | Righetti, Dave | (kaden) | Baltimore Orioles | 10 |
| 6. | Scherzer, Max | (dunroche) | Coachella Valley Wine Tasters | 10 |
| 7. | Scott, Mike | (ThEiRoNhOrSe04) | Hoboken Zephyrs | 10 |
| 8. | Palmer, Jim | (kingstreet) | Singapore Slingers | 10 |
| 9. | Righetti, Dave | (BamaTrashman) | Alabama Terror | 10 |
| 10. | Johnson, Walter | (ranger) | ROSWELL ALIENS | 10 |
| 11. | Schilling, Curt | (Mitch44) | Honolulu Sharks | 9 |
| 12. | Walsh, Ed | (chaaad) | BALCO Olympians | 9 |
| 13. | Gooden, Dwight | (befulton) | NC Black Dogs | 9 |
| 14. | Kluber, Corey | (RichieBlondet) | Manhattan Valley The Good Rats | 9 |
| 15. | Walsh, Ed | (zeedood) | Maui Megalodons | 9 |
| 16. | Scott, Mike | (shane211) | South Dakota Bears | 9 |
| 17. | Sutton, Don | (Gaberino) | Raleigh Bees | 9 |
| 18. | Johnson, Randy | (Progames464) | Havana Flashback | 9 |
| 19. | Palmer, Jim | (BaltimoreChop) | Bmore Blue Crabs | 9 |
| 20. | Krukow, Mike | Judge Smails | 9 | |
| 21. | Lincecum, Tim | (ClassicOs) | Baltimore Orioles | 9 |
| 22. | Clemens, Roger | (dgeorgi) | SPIDER TACK STICKY FINGERS | 9 |
| 23. | Schilling, Curt | San Diego Suns | 9 | |
| 24. | Walsh, Ed | (Gaberino) | Trailer Park Boys | 9 |
| 25. | Gibson, Bob | (chaaad) | NYU Violets | 9 |
| 26. | Koufax, Sandy | (gr33nappleboy) | Toledo Stingers | 8 |
| 27. | Pfiester, Jack | (filler8) | Mojave Desert Route 666ers | 8 |
| 28. | Righetti, Dave | (theo_smith) | Ithaca Rhinos | 8 |
| 29. | Hunter, Catfish | (Hendu42) | Reno Singers | 8 |
| 30. | Greinke, Zack | (jamin) | Chester Springs Menjai | 8 |
| 31. | Alexander, Pete | (baseball4ever) | Dyersville Dream Team | 8 |
| 32. | Johnson, Randy | (shane211) | South Dakota Thistles | 8 |
| 33. | Gibson, Bob | Chattanooga Colt 45s | 8 | |
| 34. | Blue, Vida | (Theo_smith) | East Nashville Vinyl | 8 |
| 35. | Kluber, Corey | (tda81) | Alma WhoDat | 8 |
| 36. | Appier, Kevin | (filler8) | Smashing Pumpkins | 8 |
| 37. | Maddux, Greg | (chitownsoxfan) | Omaha Storm Chasers | 8 |
| 38. | Brown, Mordecai | (PalinJames) | Erie Buccaneers | 8 |
| 39. | Martinez, Pedro | (mrbubbles1967) | Seattle Soundgardens | 8 |
| 40. | Koufax, Sandy | (WorcWarr) | Worcester Warriors | 8 |
| 41. | Koufax, Sandy | (DaveH) | Ladson Cougars | 8 |
| 42. | Hunter, Catfish | (Sidneypointers) | Broadlands Bolts | 8 |
| 43. | Martinez, Pedro | (chaaad) | New York Harlem Stars | 8 |
| 44. | Rogers, Steve | (filler8) | Susan Seekers | 8 |
| 45. | Tudor, John | (Theo_smith) | Ithaca Rhinos | 8 |
| 46. | Koufax, Sandy | (Brew_Crew) | Stumptown Floods | 8 |
| 47. | Gibson, Bob | (masimo29) | Brooklyn Robins | 8 |
| 48. | Kershaw, Clayton | (WorcWarr) | Worcester Warriors | 8 |
| 49. | Martinez, Pedro | (plpl512) | Montreal Expos | 8 |
| 50. | Martinez, Pedro | (sgt714) | Boston Red Sox | 8 |