Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (RBI)
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. | O'Hearn, Ryan | (ColinBoucher) | Birmingham Bumblin’ Barons | 215 |
| 2. | Ruth, Babe | (broles) | Las Vegas Grumpy Old Men | 206 |
| 3. | Ruth, Babe | (JohnHeidy) | Bisbee Bees | 206 |
| 4. | Ruth, Babe | (gr33nappleboy) | Shipwreck Vikings | 205 |
| 5. | Clements, Jack | (Shpennymons) | Big Stans | 205 |
| 6. | Ruth, Babe | (Artinshki) | Base Ball Homers | 204 |
| 7. | Foster, George | (montanajack) | Riverton Rhinos | 200 |
| 8. | Gehrig, Lou | (dynasty) | Rockville Triceratops | 200 |
| 9. | Bonds, Barry | (ClassicOs) | Baltimore Orioles | 199 |
| 10. | Joyce, Bill | (Sabotage) | Oakmont Sabotage Greens | 199 |
| 11. | Ruth, Babe | (Bluesig) | Madridejos Legends | 197 |
| 12. | Bonds, Barry | (chaaad) | Brooklyn Royal Giants | 197 |
| 13. | Ruth, Babe | (tbandit1) | Baltimore Killer Bees | 196 |
| 14. | Ruth, Babe | (bfstevens) | Loudoun Foxes | 196 |
| 15. | Gehrig, Lou | (scdeac) | D.C. Presidents | 196 |
| 16. | Olson, Matt | (cosmicbball) | Warihatag Wolves | 195 |
| 17. | Voit, Luke | (Silas) | St. Remy Sluggers | 194 |
| 18. | McGwire, Mark | (filler8) | Union City Hobos | 194 |
| 19. | Bonds, Barry | (richgibson) | San Diego WOBS | 194 |
| 20. | Bagwell, Jeff | (tda81) | The Dangerous Alliance | 193 |
| 21. | Gehrig, Lou | (WorcWarr) | Worcester Warriors | 193 |
| 22. | Garver, Mitch | (Triatribe) | Los Angeles Angelfish | 192 |
| 23. | Bonds, Barry | (broles) | Bloomington Blue Bombers | 192 |
| 24. | Duffy, Hugh | (Bevofan2020) | Beaumont Golden Gators | 192 |
| 25. | Plantier, Phil | (tda81) | The Dangerous Alliance | 191 |
| 26. | Bonds, Barry | (richardcranium) | Scheisse Town Browns | 191 |
| 27. | Bonds, Barry | (filler) | Honolulu Happy Toyz | 190 |
| 28. | Wilson, Hack | (filler8) | Columbus Buckeyes | 190 |
| 29. | Ruth, Babe | (teamkev24) | San Francisco Seals | 190 |
| 30. | Ruth, Babe | (Hozsux69) | Hollywood Stars | 189 |
| 31. | Bonds, Barry | (nondh) | Montreal Royale | 189 |
| 32. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 189 |
| 33. | Wilson, Hack | (Bluesig) | Hadji Muhtamad Chimeras | 189 |
| 34. | Bonds, Barry | (chaaad) | Iona Gaels | 189 |
| 35. | Perez, Salvador | (ScottHouston) | Maryland Terrapins | 188 |
| 36. | Wilson, Hack | (jpcortez) | Royal Canadians | 188 |
| 37. | Russell, Reb | (filler) | Lucky Lindys | 188 |
| 38. | Meyerle, Levi | (Bevofan2020) | Hoboken Hobos | 187 |
| 39. | Schmidt, Mike | (ClassicOs) | Baltimore Orioles | 187 |
| 40. | Gehrig, Lou | (dynasty) | Coulda Beena Contenders | 187 |
| 41. | McGwire, Mark | (Gaberino) | Chicago 9 Per's | 187 |
| 42. | Wilson, Hack | (michelb3514) | Iowa Corn Pickers | 186 |
| 43. | Bonds, Barry | (ThEiRoNhOrSe04) | Liberty Banditos 57 | 186 |
| 44. | Palmeiro, Rafael | (plpl512) | Tallahassee Owls | 186 |
| 45. | Olson, Matt | GAS HOUSE DIZZY n DAFFY | 186 | |
| 46. | McGwire, Mark | (filler8) | Skye Highlanders | 186 |
| 47. | Hoskins, Rhys | (michelb3514) | Iowa Corn Pickers | 186 |
| 48. | Ruth, Babe | (jamin) | Chester Springs Menjai | 186 |
| 49. | Ruth, Babe | (Pop) | Antarctica Penguins | 186 |
| 50. | Bonds, Barry | Apple Valley Apes | 185 |