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. | Severino, Luis | (Zigwiggity) | Scobey Sharks | 16 |
| 2. | Martinez, Pedro | (earl) | Durham Bulls | 14 |
| 3. | Higuera, Teddy | (kingstreet) | Singapore Straits Tigers | 14 |
| 4. | McNally, Dave | (CarefreeTugboat) | Yuma Flying Eagles | 14 |
| 5. | Kershaw, Clayton | (Dempsey245) | The YinYangs | 13 |
| 6. | Kluber, Corey | (ryanek11) | Donkey Hodey | 12 |
| 7. | Carlton, Steve | (tgbsbl1967) | Pueblo Pirates | 12 |
| 8. | Sale, Chris | (Raidergreg72) | Saint Charles RiverCats | 12 |
| 9. | McNally, Dave | (Roadmap) | Laclede County Yellowjackets | 12 |
| 10. | Clemens, Roger | (matt11791) | Tokyo Gojira | 12 |
| 11. | Johnson, Randy | (BigRedMachine90) | Holden Toodix | 11 |
| 12. | Koufax, Sandy | (dunroche) | Carolina Racin' Wrens | 11 |
| 13. | Soto, Mario | (kingstreet) | Singapore Jumbos | 11 |
| 14. | Johnson, Walter | (Hateswholetrain) | McDowell Doffers | 11 |
| 15. | Fernandez, Jose | (Dempsey245) | The YinYangs | 11 |
| 16. | Kershaw, Clayton | (qunellk) | Northwest Clubber Cats | 11 |
| 17. | Scherzer, Max | (Trulaia) | city players | 11 |
| 18. | Koufax, Sandy | (tbone34) | Texas Tomahawks | 11 |
| 19. | Koufax, Sandy | (zigwiggity) | El Paso Smoke | 10 |
| 20. | Sweeney, Charlie | (littlereb) | Garner Gators | 10 |
| 21. | Scherzer, Max | (ETMusic) | Oakland Athletics | 10 |
| 22. | Kershaw, Clayton | (Yankees1927) | Arizona Bulls | 10 |
| 23. | Kluber, Corey | (Michaellmilles) | Shotton Axemen | 10 |
| 24. | Blue, Vida | (hayzess) | NASHVILLE SOUNDS | 10 |
| 25. | Ford, Russ | (mickey7) | Arizona Diamondbacks | 10 |
| 26. | Koufax, Sandy | (rays15) | Ferndale Fugitives | 10 |
| 27. | Martinez, Pedro | (mremathteacher) | Youvegot Crabs | 10 |
| 28. | Gibson, Bob | (jamin) | Chester Springs Menjai | 10 |
| 29. | Scherzer, Max | (jaredhamann) | Pittsburgh Pirates | 10 |
| 30. | Tiant, Luis | (kingstreet) | Singapore Jumbos | 10 |
| 31. | Kluber, Corey | (moneymarv) | Carolina Cobra Kais | 10 |
| 32. | Martinez, Pedro | (kingstreet) | Singapore Slingers | 10 |
| 33. | Scherzer, Max | (jim2miller) | Northern Ohio Nighthawks | 10 |
| 34. | Tanana, Frank | (plpl512) | Ottawa Slamming Wolves | 10 |
| 35. | Richard, J.R. | (gibblets1973) | Los Gibbletos 70eventy | 10 |
| 36. | Johnson, Randy | (Slippingjimmy) | Chittenango Diamonds | 10 |
| 37. | Kluber, Corey | Halifax Haligonians | 10 | |
| 38. | Nomo, Hideo | (Bigredmachine90) | Big Red Machine Redlegs 2 | 10 |
| 39. | Kluber, Corey | (DodgerRon49) | Death Valley Sun Burners | 10 |
| 40. | Kershaw, Clayton | (htennis) | John Gibson For the Vezina | 9 |
| 41. | McCatty, Steve | (j-underground) | Radio Free Europe | 9 |
| 42. | Carlton, Steve | (829er) | Haverhill Hillies | 9 |
| 43. | Peavy, Jake | (metfan1) | Bartonsville Pumas | 9 |
| 44. | McNally, Dave | (DodgerRon49) | Brooklyn Trolley Dodgers | 9 |
| 45. | Rogers, Steve | (plpl512) | Ottawa Slamming Wolves | 9 |
| 46. | Valenzuela, Fernando | (kingstreet) | Singapore Straits Tigers | 9 |
| 47. | Carlton, Steve | (Trulaia) | Washington Deplorables | 9 |
| 48. | Seaver, Tom | (kingstreet) | Singapore Slingers | 9 |
| 49. | Sutton, Don | (kingstreet) | Singapore Sidewinders | 9 |
| 50. | DeLeon, Jose | (kingstreet) | Singapore Jumbos | 9 |