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. | Bonds, Barry | Chippewa Park Tribe | 221 | |
| 2. | O'Hearn, Ryan | (ColinBoucher) | Birmingham Farmers | 215 |
| 3. | Ruth, Babe | (moxie) | Philly Classic | 206 |
| 4. | Ruth, Babe | (Moonfish) | Boston BOOTLEGGERS | 205 |
| 5. | Ruth, Babe | (LDJS1947) | CAPE COD BLUEFISH | 204 |
| 6. | Ruth, Babe | (broles) | Crystal Cardinals | 201 |
| 7. | Foster, George | (DaveH) | Ladson Dodgers | 200 |
| 8. | Gehrig, Lou | (dynasty) | Desert Pigs | 200 |
| 9. | Ruth, Babe | (Bluesig) | Madridejos Legends | 197 |
| 10. | Sanchez, Gary | (Bluesig) | Mañapla Thunder Hawks | 197 |
| 11. | Bonds, Barry | (crapgame) | Dirt Donkeys | 197 |
| 12. | Ruth, Babe | (tbandit1) | Baltimore Killer Bees | 196 |
| 13. | Gehrig, Lou | (scdeac) | D.C. Presidents | 196 |
| 14. | Ruth, Babe | (bfstevens) | Loudoun Foxes | 196 |
| 15. | Voit, Luke | (filler) | Miami Hurricanes | 196 |
| 16. | Olson, Matt | (Bluesig) | Warihatag Wolves | 195 |
| 17. | Bonds, Barry | (chaaad) | NYU Violets | 194 |
| 18. | Bonds, Barry | (richgibson) | San Diego WOBS | 194 |
| 19. | Voit, Luke | (BigRedMachine90) | Huntington Slug's | 194 |
| 20. | Voit, Luke | (mattholland1975) | Bow Mar Badgers | 194 |
| 21. | McGwire, Mark | (tgbbirch) | Union City Hobos | 194 |
| 22. | Gehrig, Lou | (WorcWarr) | Worcester Warriors | 193 |
| 23. | Wilson, Hack | (yaboymaddu) | Georgia Bulldogs | 192 |
| 24. | Garver, Mitch | (kbain1968) | San Diego Seagulls | 192 |
| 25. | Bonds, Barry | (richardcranium) | Scheisse Town Browns | 191 |
| 26. | Plantier, Phil | (tda81) | The Dangerous Alliance | 191 |
| 27. | Gehrig, Lou | (Fungoking) | Big Pines Baseball Team | 190 |
| 28. | Bonds, Barry | (Jericho2u) | Honolulu Happy Toyz | 190 |
| 29. | Wilson, Hack | Columbus Buckeyes | 190 | |
| 30. | Wilson, Hack | Indy Clowns | 189 | |
| 31. | Ruth, Babe | (Littlereb) | Hollywood Stars | 189 |
| 32. | Gallo, Joey | (letsplaytwo) | San Francisco Giants | 189 |
| 33. | Wilson, Hack | (Bluesig) | Hadji Muhtamad Chimeras | 189 |
| 34. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 189 |
| 35. | Bonds, Barry | (grantmoyer) | Market Street Mashers | 189 |
| 36. | Bonds, Barry | (tgbbirch) | Quincy Pirates | 189 |
| 37. | Russell, Reb | (teamkev24) | Lucky Lindys | 188 |
| 38. | Perez, Salvador | (ScottHouston) | Maryland Terrapins | 188 |
| 39. | Wilson, Hack | (jpcortez) | Royal Canadians | 188 |
| 40. | Joyce, Bill | (tbandit1) | Baileytown Kiwis | 188 |
| 41. | Wilson, Hack | (baseball4ever) | Casablanca Gamblers | 188 |
| 42. | Bonds, Barry | (gibblets1973) | St. Brendan's Blue Jays | 187 |
| 43. | Meyerle, Levi | (czierk) | Hoboken Hobos | 187 |
| 44. | Gehrig, Lou | (Nuroc) | Coulda Beena Contenders | 187 |
| 45. | McGwire, Mark | (wileydog97) | Chicago Vipers | 187 |
| 46. | O'Hearn, Ryan | (GRW3) | Sim Bulldogs | 187 |
| 47. | Schmidt, Mike | (ClassicOs) | Baltimore Orioles | 187 |
| 48. | Bonds, Barry | (ThEiRoNhOrSe04) | Liberty Banditos 57 | 186 |
| 49. | Ruth, Babe | (Pop) | Antarctica Penguins | 186 |
| 50. | Olson, Matt | (dgeorgi) | GAS HOUSE DIZZY n DAFFY | 186 |