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. | Bundy, Dylan | Erie Spartans | 67 | |
| 2. | Morris, Jack | (ranger) | MIAMI MANATEES | 65 |
| 3. | Scherzer, Max | (shelley71) | Boston Bees | 64 |
| 4. | Berrios, Jose | (filler) | Justin Turner Overdrive | 61 |
| 5. | Kershaw, Clayton | (steveo) | Collinwood Jays | 60 |
| 6. | Blue, Vida | (WorcWarr) | Worcester Warriors | 60 |
| 7. | Fulmer, Michael | (mattholland1975) | Santa Monica Surfers | 60 |
| 8. | Millwood, Kevin | (filler) | Marianao Tigers | 58 |
| 9. | Greinke, Zack | (PicklePunk20) | Winnipeg Ice | 58 |
| 10. | Hunter, Catfish | (WorcWarr) | Worcester Warriors | 58 |
| 11. | Reynolds, Shane | (Hendu42) | Minneapolis Millers | 58 |
| 12. | Koufax, Sandy | (joeboodah) | Fear No Beer | 58 |
| 13. | Young, Irv | (BamaTrashman) | Keezletown Moonshiners | 58 |
| 14. | Loaiza, Esteban | (filler) | Ohio State Buckeyes | 58 |
| 15. | Brown, Kevin | (mr_mojo_risin) | Reykjavik Rooks | 58 |
| 16. | Chesbro, Jack | Provo Vikings | 57 | |
| 17. | DeSclafani, Anthony | (Sidneypointers) | Sidney K9s | 57 |
| 18. | Gibson, Bob | Broadlands Family | 57 | |
| 19. | Morris, Jack | Bartonsville Pumas | 57 | |
| 20. | Greinke, Zack | Scottsdale Sun Devils | 57 | |
| 21. | Hudson, Daniel | (mattholland1975) | Pembroke Pigs | 57 |
| 22. | Viola, Frank | (filler) | Taoyuan Hainigen | 57 |
| 23. | Kershaw, Clayton | (donnpall) | Las Vegas Sun Sox | 57 |
| 24. | Hendricks, Kyle | (donnpall) | Las Vegas Sun Sox | 57 |
| 25. | Colon, Bartolo | (brian4656) | san diego Chargers | 57 |
| 26. | Blue, Vida | (iamcota) | Knapps Station Knee Slappers | 57 |
| 27. | Hunter, Catfish | (bostontex24) | Boston Celtics | 57 |
| 28. | deGrom, Jacob | (MikeDrop0221) | San Francisco Goats | 57 |
| 29. | Viola, Frank | (filler) | camden town bankrobbers | 57 |
| 30. | Cuellar, Mike | Bartonsville Pumas | 57 | |
| 31. | Greinke, Zack | (MLBnation) | New Jersey Jackals | 57 |
| 32. | Gibson, Bob | Washoe County Chiefs | 57 | |
| 33. | Greinke, Zack | (zmessler) | Scranton Schrutes | 56 |
| 34. | Higuera, Teddy | (atleskovec) | Caspian Dragons | 56 |
| 35. | Hunter, Catfish | (dynasty) | Butte Force | 56 |
| 36. | White, Doc | (mckarcher) | Black Mesa Xens | 56 |
| 37. | Montas, Frankie | BooYee City Lightning | 56 | |
| 38. | Schilling, Curt | (dynasty) | Butte Force | 56 |
| 39. | Hunter, Catfish | (WorcWarr) | Worcester Warriors | 56 |
| 40. | Lynn, Lance | (Silvereaglemyst) | Kentucky HeadHunters | 56 |
| 41. | Weaver, Jered | (Jclark5) | Fiery Horse Heads | 56 |
| 42. | Kershaw, Clayton | (Bravosmike01) | Memphis Mighty Goats | 56 |
| 43. | James, Josh | (Coach_Boots) | Oklahoma Monarchs | 56 |
| 44. | Bunker, Wally | (filler) | Florida Panthers | 56 |
| 45. | Perez, Odalis | (captncaveman) | Moon River SwampDogg | 56 |
| 46. | Young, Irv | (garveyismypadre) | Salem Toadsuckers 🦕 | 56 |
| 47. | Kershaw, Clayton | (gr33nappleboy) | New York Knights | 56 |
| 48. | Strasburg, Stephen | (joemcg) | Desert Jockeys | 56 |
| 49. | Smoltz, John | (dynasty) | Albuquerque Blue Crystals | 56 |
| 50. | Maddux, Greg | (captncaveman) | Chicago Sting | 56 |