Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (GIDP)
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. | Evans, Dwight | (befulton) | Yukon Huskies 3 | 58 |
| 2. | Gamble, Oscar | (BigRedMachine62) | Springfield Lincolns | 56 |
| 3. | Webb, Earl | (filler8) | Ballantine Blasts | 56 |
| 4. | Lemon, Chet | (teamkev24) | Taxi Driver | 55 |
| 5. | Posey, Buster | (grantmoyer) | Philly Phantoms | 53 |
| 6. | Post, Wally | (DaveH) | Ladson Cougars | 53 |
| 7. | Mayberry, John | (bostontex24) | Boston College | 53 |
| 8. | Howard, Frank | (Acorn) | New Britain Mess | 53 |
| 9. | Palmeiro, Rafael | (wjw1225) | Hudson Steamers | 52 |
| 10. | Pujols, Albert | (rreebe916) | Chittenango Diamonds | 51 |
| 11. | Mauer, Joe | (sheikyerboudi) | Mojave Desert RabidArmadillos | 51 |
| 12. | Walling, Denny | (tmcarthur72) | Las Vegas Stallions | 51 |
| 13. | Gurriel, Yuli | (bwoodcoc) | Luna City Unicorns | 51 |
| 14. | Hebner, Richie | (filler8) | Houston Oilers | 51 |
| 15. | Henderson, Dave | (Myunclepunk) | Green Bay Spirit | 51 |
| 16. | Downing, Brian | (Trux) | Grand Canyon 66ers | 51 |
| 17. | Helton, Todd | (Trulaia) | Iowa Corn Pickers | 51 |
| 18. | Lemon, Chet | (tgbsbl1967) | Desert City Scorpions | 50 |
| 19. | Simmons, Ted | (dynasty) | Minnesota Wild Wolves 2 | 50 |
| 20. | Oliva, Tony | (mmeler) | Miami Sharks | 50 |
| 21. | Posey, Buster | (JoeyT2870) | Toledo Tornados | 50 |
| 22. | Martinez, Tino | (rfb60609) | Wormsleyburg Warriors | 50 |
| 23. | Kluszewski, Ted | (ALilWonky) | Washington Senators | 49 |
| 24. | Mattingly, Don | (watcher99) | South Dakota Bullseye | 49 |
| 25. | Mattingly, Don | (smacks4) | Carolina Hornets | 49 |
| 26. | Bench, Johnny | (jericho2u) | Malibu Sharks | 49 |
| 27. | Gordon, Sid | (filler8) | Oakland Panthers | 49 |
| 28. | Bonura, Zeke | (dynasty) | Gainesville Gators | 49 |
| 29. | Madlock, Bill | Tijuana Senadores | 49 | |
| 30. | Williams, Ted | (broles) | Roanoke Renegades | 49 |
| 31. | Gwynn, Tony | (michelb3514) | Iowa Corn Pickers | 49 |
| 32. | Fain, Ferris | (filler) | Albany All Stars | 49 |
| 33. | Ordonez, Magglio | (Trulaia) | Iowa Corn Pickers | 49 |
| 34. | Ott, Mel | (vonveezil) | Cold Springs Colts | 49 |
| 35. | Gordon, Sid | (filler2) | Hartford Hornets | 49 |
| 36. | McCormick, Frank | (dynasty) | Middle Georgia 20-39 Rowdy Renegades | 49 |
| 37. | Mattingly, Don | Olde English 800's | 49 | |
| 38. | Clements, Jack | (samwhitworth) | West Dakota Slime | 49 |
| 39. | Piazza, Mike | (sgt714) | Boston Red Sox | 49 |
| 40. | Clements, Jack | (filler) | Blue Sharks | 49 |
| 41. | Slaughter, Enos | (dhuffman72) | Los Angeles Brew 102's | 49 |
| 42. | Campanella, Roy | Calder City Highlanders | 48 | |
| 43. | Helton, Todd | (Trulaia) | Iowa Corn Pickers | 48 |
| 44. | Robinson, Brooks | (maulucci16) | The Felix of The Mid-Century⚾️ | 48 |
| 45. | Blomberg, Ron | (speedymjb) | Ballantine Blasts | 48 |
| 46. | Helton, Todd | (SonHouse) | Cali Fornians | 48 |
| 47. | Carty, Rico | (filler) | Chesapeake Pelicans | 48 |
| 48. | Olerud, John | (Iceman18) | New York Mets | 48 |
| 49. | Davis, Alvin | (filler2) | HAMILTON HamWallets | 48 |
| 50. | Olerud, John | (sheikyerboudi) | Los Angeles Mariachis | 48 |