Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Homers Allowed)
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. | Morris, Jack | (tgbbirch) | Michigan Dirtbags | 65 |
| 2. | Scherzer, Max | (deyanksfan) | Boston Bees | 64 |
| 3. | Haren, Dan | (dynasty) | RHODE ISLAND Shark Bite | 63 |
| 4. | Shields, James | (NatsAreNumber1) | Miami Cats | 62 |
| 5. | Jenkins, Fergie | (dynasty) | Big papa Kekumbas | 61 |
| 6. | Berrios, Jose | Richmond Rebels | 61 | |
| 7. | Kershaw, Clayton | Collinwood Jays | 60 | |
| 8. | Blue, Vida | (WorcWarr) | Worcester Warriors | 60 |
| 9. | Drysdale, Don | DAYTONA DIVERS | 59 | |
| 10. | Millwood, Kevin | Kilworthy Teasers | 58 | |
| 11. | Brown, Kevin | (jonjewitt) | Chatt Choo Chios | 58 |
| 12. | Young, Irv | (dynasty) | Keezletown Moonshiners | 58 |
| 13. | Loaiza, Esteban | Ohio State Buckeyes | 58 | |
| 14. | Koufax, Sandy | (shane211) | South Dakota Partyboys | 58 |
| 15. | Greinke, Zack | (PicklePunk20) | Winnipeg Ice | 58 |
| 16. | Reynolds, Shane | (dynasty) | Minneapolis Millers | 58 |
| 17. | Weaver, Jered | (fordjp) | Clawson Dirtbags | 58 |
| 18. | Plesac, Zach | Cleveland Indians | 58 | |
| 19. | Plesac, Zach | (punkis4lf) | Toronto Hawks | 58 |
| 20. | Carpenter, Chris | (TramFan) | MILLERSVILLE GREY WOLVES | 58 |
| 21. | Hunter, Catfish | (WorcWarr) | Worcester Warriors | 58 |
| 22. | Greinke, Zack | (Gradster10) | Madison Mallards | 57 |
| 23. | Gooden, Dwight | (tgbsbl1967) | Newberry Hitmen | 57 |
| 24. | Kershaw, Clayton | (donnpall) | Las Vegas Sun Sox | 57 |
| 25. | Chesbro, Jack | (gt049) | Provo Vikings | 57 |
| 26. | Hunter, Catfish | (bostontex24) | Boston Celtics | 57 |
| 27. | Colon, Bartolo | (filler) | san diego Chargers | 57 |
| 28. | Hudson, Daniel | (nelk) | Pembroke Pigs | 57 |
| 29. | Viola, Frank | (filler) | camden town bankrobbers | 57 |
| 30. | Greinke, Zack | (coachmcs) | Scottsdale Sun Devils | 57 |
| 31. | Hendricks, Kyle | (donnpall) | Las Vegas Sun Sox | 57 |
| 32. | deGrom, Jacob | San Francisco Goats | 57 | |
| 33. | Viola, Frank | (tda81) | Taoyuan Hainigen | 57 |
| 34. | Gibson, Bob | (filler) | Broadlands Family | 57 |
| 35. | Gibson, Bob | (Jjcichon) | Vermont Mutts | 57 |
| 36. | Blue, Vida | (iamcota) | Knapps Station Knee Slappers | 57 |
| 37. | Cuellar, Mike | (54pete54) | Grimsby Gorillas | 57 |
| 38. | Morris, Jack | (OldBobcat) | SOUTH BEND HELLCATS | 57 |
| 39. | DeSclafani, Anthony | (Sidneypointers) | Sidney K9s | 57 |
| 40. | Minor, Mike | (NatsAreNumber1) | San Diego Tsunami | 56 |
| 41. | Schilling, Curt | (meddi22) | Delco Old Guys | 56 |
| 42. | Greinke, Zack | Sims Bulldogs | 56 | |
| 43. | Quintana, Jose | (filler) | Miami Cats | 56 |
| 44. | Hunter, Catfish | (PARATROOPER22) | JACKSONVILLE JETS | 56 |
| 45. | Hendricks, Kyle | (YS) | AZ Elites | 56 |
| 46. | Kershaw, Clayton | (sincitymarauder) | San Antonio Cowboys | 56 |
| 47. | Wells, David | (jclark5) | Detroit Tigers | 56 |
| 48. | James, Josh | (brian4656) | Toronto eagles | 56 |
| 49. | Schilling, Curt | Cayman Islands Red Stripes | 56 | |
| 50. | Higuera, Teddy | (Vernorama) | Old Foresters | 56 |