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 | (fanfanatic1) | Detroit Coney Dogs | 206 |
| 3. | Ruth, Babe | (tribetime89) | Anicent Warriors | 206 |
| 4. | Clements, Jack | (Shpennymons) | Big Stans | 205 |
| 5. | Bonds, Barry | (Iceman18) | New York Mets | 201 |
| 6. | Foster, George | (montanajack) | Riverton Rhinos | 200 |
| 7. | Joyce, Bill | (Slothmonkey) | Oakmont Athletics | 199 |
| 8. | Bonds, Barry | (ClassicOs) | Baltimore Orioles | 199 |
| 9. | Ruth, Babe | (AC_Grumpy) | South Bend Silver Hawks | 197 |
| 10. | Ruth, Babe | (Tbone34) | Hartford Dark Blues | 197 |
| 11. | Bonds, Barry | (chaaad) | Brooklyn Royal Giants | 197 |
| 12. | Ruth, Babe | (bfstevens) | Loudoun Foxes | 196 |
| 13. | McGwire, Mark | (nondh) | Montreal Royale | 194 |
| 14. | Bonds, Barry | (rreebe916) | San Diego WOBS🇺🇦 | 194 |
| 15. | Thompson, Sam | (Shpennymons) | Patankin Peelers | 193 |
| 16. | Bagwell, Jeff | (tda81) | The Dangerous Alliance | 193 |
| 17. | Duffy, Hugh | (robmb) | Ocean City Orioles | 192 |
| 18. | Garver, Mitch | (jrobandsteal) | Los Angeles Angelfish | 192 |
| 19. | Bonds, Barry | (broles) | Bloomington Blue Bombers | 192 |
| 20. | Foxx, Jimmie | (sammy-z) | Forget The Dreams Igor | 191 |
| 21. | Foxx, Jimmie | (AC_Grumpy) | South Bend Silver Hawks | 191 |
| 22. | Plantier, Phil | (tda81) | The Dangerous Alliance | 191 |
| 23. | Bonds, Barry | (Artinshki) | B Bonds Bombers | 191 |
| 24. | Bonds, Barry | (richardcranium) | Scheisse Town Browns | 191 |
| 25. | Ruth, Babe | (teamkev24) | San Francisco Seals | 190 |
| 26. | Ruth, Babe | (nycubsfan) | American Pharoahs | 190 |
| 27. | Bonds, Barry | (nondh) | Montreal Royale | 189 |
| 28. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 189 |
| 29. | Voit, Luke | (DaveH) | Ladson Cougars | 189 |
| 30. | Griffey, Ken | (Trulaia) | Boston Bees | 188 |
| 31. | Russell, Reb | (filler) | Lucky Lindys | 188 |
| 32. | Perez, Salvador | (ScottHouston) | Maryland Terrapins | 188 |
| 33. | Schmidt, Mike | (ClassicOs) | Baltimore Orioles | 187 |
| 34. | McGwire, Mark | (jaredhamann) | Chicago 9 Per's | 187 |
| 35. | Gehrig, Lou | (filler8) | Coulda Beena Contenders | 187 |
| 36. | McGwire, Mark | (babyave1) | Beantown Brawlers | 187 |
| 37. | McGwire, Mark | (Sabotage) | Illinois F'n Sabotage | 187 |
| 38. | Ruth, Babe | (Pop) | Antarctica Penguins | 186 |
| 39. | Bailey, Bob | (kingstreet) | Singapore Straits Pirates | 186 |
| 40. | Bonds, Barry | (sgt714) | Boston Red Sox | 186 |
| 41. | Palmeiro, Rafael | (plpl512) | Tallahassee Owls | 186 |
| 42. | Olson, Matt | (LilRed2806) | GAS HOUSE DIZZY n DAFFY | 186 |
| 43. | Phelps, Ken | (jeter0296) | Freehold Yankees | 186 |
| 44. | Bonds, Barry | (broles) | Mounds View Victory | 186 |
| 45. | Ruth, Babe | (jamin) | Chester Springs Menjai | 186 |
| 46. | McGwire, Mark | (filler) | Skye Highlanders | 186 |
| 47. | Bonds, Barry | (Zigwiggity) | Apple Valley Apes | 185 |
| 48. | Gehrig, Lou | (Hozsux69) | Hollywood Stars | 185 |
| 49. | Perez, Salvador | (ColinBoucher) | Rancho Cucamonga Quakes | 185 |
| 50. | Bonds, Barry | (ranger) | TRI-CITY THIRD WHEELS | 185 |