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 | (vanderj6993) | Bangladesh Buccaneers | 12 |
| 4. | Martinez, Pedro | Boston Sox | 11 | |
| 5. | Johnson, Randy | (BigRedMachine90) | Holden Toodix | 11 |
| 6. | Tanana, Frank | (teamkev24) | Blue Ridge Waltons | 10 |
| 7. | Scherzer, Max | (jim2miller) | Alaska Sasquatch | 10 |
| 8. | Nomo, Hideo | (Bigredmachine90) | Big Red Machine Redlegs 2 | 10 |
| 9. | Sutton, Don | (kingstreet) | Singapore Straits Pirates | 10 |
| 10. | Richard, J.R. | (gibblets1973) | Greenspond Trail | 10 |
| 11. | Palmer, Jim | (kingstreet) | Singapore Slingers | 10 |
| 12. | Martinez, Pedro | (kingstreet) | Singapore Slingers | 10 |
| 13. | Johnson, Walter | (gt049) | Fredricksburg Feds | 10 |
| 14. | Johnson, Randy | (metfan1) | Bartonsville Pumas | 10 |
| 15. | Scherzer, Max | Sonoma Kick Aces | 10 | |
| 16. | Walsh, Ed | (Snowman33) | Hilton Head Waves | 9 |
| 17. | Greinke, Zack | Singapore Slingers | 9 | |
| 18. | Valenzuela, Fernando | (kingstreet) | Singapore Straits Tigers | 9 |
| 19. | Martinez, Pedro | (Bluesig) | Mataasnakahoy Avatars | 9 |
| 20. | Walsh, Ed | (Ajhawk) | Madison Devils | 9 |
| 21. | Gibson, Bob | (Iamcota) | Manchester Mangos | 9 |
| 22. | Carlton, Steve | (DBall) | Washington Deplorables | 9 |
| 23. | Lincecum, Tim | (ClassicOs) | Baltimore Orioles | 9 |
| 24. | Johnson, Walter | Boston Sox | 9 | |
| 25. | DeLeon, Jose | (Roadmap) | Medford Mounts | 9 |
| 26. | Kluber, Corey | Lobo City Wolfpack 🐺 | 9 | |
| 27. | Perez, Pascual | SNK Ninja Blacksox | 9 | |
| 28. | Seaver, Tom | (kingstreet) | Singapore Slingers | 9 |
| 29. | Rogers, Steve | (teamkev24) | Blue Ridge Waltons | 9 |
| 30. | Walsh, Ed | Memphis Firm | 9 | |
| 31. | Sutton, Don | (kingstreet) | Singapore Slingers | 9 |
| 32. | Cole, Gerrit | (dynasty) | New York Hammers | 9 |
| 33. | McCatty, Steve | (j-underground) | Radio Free Europe | 9 |
| 34. | Kluber, Corey | (Mitch44) | Scarborough Red Storm | 9 |
| 35. | McLain, Denny | (metfan1) | Bartonsville Pumas | 8 |
| 36. | Seaver, Tom | (plpl512) | Idaho Slaming Bandits | 8 |
| 37. | Joss, Addie | (czierk) | Hoboken Hobos | 8 |
| 38. | Sutton, Don | (kingstreet) | Singapore Slingers | 8 |
| 39. | Koufax, Sandy | (nytkrew) | Detroit Industry | 8 |
| 40. | Ryan, Nolan | (kingstreet) | Singapore Cowboys | 8 |
| 41. | Verlander, Justin | (sytsmab) | Asbury Park LUMPEN PROLS | 8 |
| 42. | Schumacher, Hal | (mickey7) | NJ Jack of Trades | 8 |
| 43. | Maddux, Greg | (Cg4177) | Michigan Panthers | 8 |
| 44. | Scott, Mike | African Lions | 8 | |
| 45. | Seaver, Tom | (baseball4ever) | The Train Robbers | 8 |
| 46. | Messersmith, Andy | (829er) | Haverhill Hillies | 8 |
| 47. | Martinez, Pedro | Yorktown Senators | 8 | |
| 48. | Swetonic, Steve | (Bigredmachine90) | BARBOURSVILLE Barrons | 8 |
| 49. | Ryan, Nolan | (garret) | Charlotte Stingers | 8 |
| 50. | Hunter, Catfish | (Sidneypointers) | Broadlands Bolts | 8 |