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. | Higuera, Teddy | (kingstreet) | Singapore Straits Tigers | 14 |
| 2. | Blue, Vida | (kingstreet) | Singapore Slingers | 12 |
| 3. | McNally, Dave | (cubanlou) | Bangladesh Buccaneers | 12 |
| 4. | Martinez, Pedro | (rreebe916) | Boston Sox | 11 |
| 5. | Martinez, Pedro | (bush484) | Canton Lumber Company | 11 |
| 6. | Johnson, Randy | (BigRedMachine90) | Holden Toodix | 11 |
| 7. | Scherzer, Max | (jim2miller) | Alaska Sasquatch | 10 |
| 8. | Scherzer, Max | (filler) | Sonoma Kick Aces | 10 |
| 9. | Johnson, Randy | (metfan1) | Bartonsville Pumas | 10 |
| 10. | Palmer, Jim | (kingstreet) | Singapore Slingers | 10 |
| 11. | Johnson, Walter | Fredricksburg Feds | 10 | |
| 12. | Martinez, Pedro | Boston Sox | 10 | |
| 13. | Nomo, Hideo | (Bigredmachine90) | Big Red Machine Redlegs 2 | 10 |
| 14. | Scott, Mike | (ThEiRoNhOrSe04) | Hoboken Zephyrs | 10 |
| 15. | Richard, J.R. | (gibblets1973) | Greenspond Trail | 10 |
| 16. | Tanana, Frank | (dhuffman72) | Blue Ridge Waltons | 10 |
| 17. | Sutton, Don | (kingstreet) | Singapore Straits Pirates | 10 |
| 18. | Johnson, Randy | (Bhgray) | Pawtucket Red Sox | 9 |
| 19. | McCatty, Steve | (j-underground) | Radio Free Europe | 9 |
| 20. | Schilling, Curt | (jackfactor) | San Diego Suns | 9 |
| 21. | Scott, Mike | (Artinshki) | Philly Elephants | 9 |
| 22. | Rogers, Steve | (dhuffman72) | Blue Ridge Waltons | 9 |
| 23. | Walsh, Ed | (Snowman33) | Sun City Islanders | 9 |
| 24. | DeLeon, Jose | (Roadmap) | Medford Mounts | 9 |
| 25. | Martinez, Pedro | (Bluesig) | Mataasnakahoy Avatars | 9 |
| 26. | Carlton, Steve | Washington Deplorables | 9 | |
| 27. | Cole, Gerrit | (bgj) | Alma Pride | 9 |
| 28. | Seaver, Tom | (kingstreet) | Singapore Slingers | 9 |
| 29. | Perez, Pascual | (filler) | Delco's Finest | 9 |
| 30. | Johnson, Walter | (hjertsjo) | Feline Wiffs | 9 |
| 31. | Kluber, Corey | Chicago Frisbees | 9 | |
| 32. | Gibson, Bob | (Iamcota) | Manchester Mangos | 9 |
| 33. | Greinke, Zack | (filler) | Singapore Slingers | 9 |
| 34. | Lincecum, Tim | (ClassicOs) | Baltimore Orioles | 9 |
| 35. | Sutton, Don | (Sportsgeek) | Osceola Carp | 9 |
| 36. | Walsh, Ed | (ironwill1) | Buzzville Bees | 9 |
| 37. | Gibson, Bob | (filler) | Portland Punishers | 9 |
| 38. | Brown, Mordecai | (cubanlou) | Bangladesh Buccaneers | 8 |
| 39. | Koufax, Sandy | (chaaad) | Hudson Valley Renegades | 8 |
| 40. | McNally, Dave | (rreebe916) | Kronstadt SAILORS | 8 |
| 41. | Sutton, Don | (ironmen) | Ocean City Pirates | 8 |
| 42. | Seaver, Tom | (baseball4ever) | The Train Robbers | 8 |
| 43. | Messersmith, Andy | (829er) | Haverhill Hillies | 8 |
| 44. | Koufax, Sandy | (nytkrew) | Detroit Industry | 8 |
| 45. | Johnson, Walter | (gibblets1973) | Petite Forte Panthers | 8 |
| 46. | Johnson, Walter | (brenzini) | Oakmont Butter Knives | 8 |
| 47. | Arrieta, Jake | (jamin) | Chester Springs Menjai | 8 |
| 48. | Tiant, Luis | (robmb) | Fort Lee Generals | 8 |
| 49. | McLain, Denny | (DaveH) | Ladson Dodgers | 8 |
| 50. | Seaver, Tom | (plpl512) | Idaho Slaming Bandits | 8 |