Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Hit Batters)
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. | Mullane, Tony | (richgibson) | San Diego WOBS | 20 |
| 2. | Reulbach, Ed | (JohnnyGotts) | Roanoke Renegades | 19 |
| 3. | Sparks, Tully | (murph) | Rye Whiskey | 19 |
| 4. | Johnson, Randy | (canisusjon) | Virginia Victory | 19 |
| 5. | Boyle, Henry | (Bluesig) | Malaybalay Automatons | 19 |
| 6. | Seward, Ed | (filler) | AURORA Skunks | 19 |
| 7. | Foreman, Frank | Carol City Currys | 19 | |
| 8. | Perez, Odalis | Canton Lumber Company | 19 | |
| 9. | Chacin, Jhoulys | (Bamajoe66) | Tallahassee Munchies | 18 |
| 10. | Greinke, Zack | (davevaldes152) | Galveston BULLFROGS | 18 |
| 11. | Arrieta, Jake | Stockton Stars | 18 | |
| 12. | Walsh, Ed | (Shpennymons) | Big Stans | 18 |
| 13. | Severino, Luis | (jeter0296) | Freehold Yankees | 18 |
| 14. | Seaver, Tom | (filler) | Rockford Rockers | 18 |
| 15. | Cueto, Johnny | (cardchris36) | New Hampshire Bobcats | 18 |
| 16. | Young, Cy | (filler) | Atlanta Survivors | 18 |
| 17. | Lincecum, Tim | (plpl512) | Roman Empire Gladiators | 18 |
| 18. | Walsh, Ed | (Fungoking) | New York Knights | 18 |
| 19. | Mikolas, Miles | (grantreynolds) | Washington Werewolves | 18 |
| 20. | McGinnity, Joe | (hamburglar) | Munchin' Muff-ins | 18 |
| 21. | Mikolas, Miles | (drh4740) | Portland Crickets | 17 |
| 22. | Leonard, Dutch | (sheikyerboudi) | Mojave River Valley Dead Rabbits | 17 |
| 23. | Wheeler, Zack | Los Angeles Rhinos | 17 | |
| 24. | McGinnity, Joe | Springfield Drunken Gambler | 17 | |
| 25. | Morton, Charlie | (dynasty) | Trenton Thunder | 17 |
| 26. | Titcomb, Cannonball | (filler) | Atlanta Survivors | 17 |
| 27. | Mikolas, Miles | (filler) | Cluj Lions | 17 |
| 28. | Weyhing, Gus | (Fungoking) | Brooklyn Tip Tops | 17 |
| 29. | Sale, Chris | (Johncitd) | Spring Sharks | 17 |
| 30. | Sale, Chris | (jazzy87) | Brooklyn Knights | 17 |
| 31. | Kershaw, Clayton | (canseco) | Sparta Spartans | 17 |
| 32. | Martinez, Pedro | (mr_mojo_risin) | Valhalla Vikings | 17 |
| 33. | King, Silver | (electro) | Pelham Puma | 17 |
| 34. | Greinke, Zack | Allerton Nine | 17 | |
| 35. | Berrios, Jose | (HouAstros1986) | Glasgow Gladiators | 17 |
| 36. | Kluber, Corey | (filler) | Kitchener Outlaws | 17 |
| 37. | Sanchez, Anibal | (Trulaia) | Kelso Kowboys | 17 |
| 38. | Weaver, Luke | (dunroche) | Twin Cities Angry Ducks | 17 |
| 39. | Weaver, Luke | (Acorn) | Kansas City T-Bones | 17 |
| 40. | Johnson, Randy | ST Louis Birdies | 17 | |
| 41. | Scherzer, Max | The End | 17 | |
| 42. | Pfiester, Jack | (billyconn) | Los Angeles Sharks | 17 |
| 43. | Lackey, John | (dudeperfect2345) | Hawaii Eruptions | 17 |
| 44. | Mikolas, Miles | (JDFrost) | Greenville All Stars | 16 |
| 45. | Strasburg, Stephen | (baileycjj) | Fightin Amish | 16 |
| 46. | Woodruff, Brandon | (Tbone9) | Indee Mustangs | 16 |
| 47. | Taillon, Jameson | (hoopdirt) | The Dangerous Alliance | 16 |
| 48. | Wheeler, Zack | (iceman18) | New York Mets | 16 |
| 49. | Weaver, Jeff | (Jericho2u) | Honolulu Hooters | 16 |
| 50. | Kershaw, Clayton | Geneva Golden Tornado | 16 |