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. | Johnson, Davey | (filler) | Beamanager Dicemen | 58 |
| 2. | Oliver, Al | (cshaffer) | Arkansas Fighting Pigs | 57 |
| 3. | Carty, Rico | (Myunclepunk) | Chicago Rebels | 57 |
| 4. | Mattingly, Don | (teamkev24) | Duran Duran | 54 |
| 5. | Downing, Brian | (sloss5) | Chittenango Wizards of Oz | 54 |
| 6. | Ordonez, Magglio | Portland Voodoo | 54 | |
| 7. | Mattingly, Don | (gibblets1973) | Torbay Tides | 54 |
| 8. | Torre, Joe | (GoYanks1981) | Knuckle Draggers | 54 |
| 9. | Ventura, Robin | (acecannon) | Sarasota Wild Eagles | 53 |
| 10. | Clements, Jack | (tbandit1) | Baltimore Bandits | 53 |
| 11. | Kluszewski, Ted | (WorcWarr) | Worcester Warriors | 53 |
| 12. | Knight, Ray | (finalbody) | Irving Apaches | 53 |
| 13. | Mulliniks, Rance | (gibblets1973) | Arizona Spiderman | 52 |
| 14. | Lezcano, Sixto | (liddlefeat) | New Brunswick Bisons | 52 |
| 15. | Matsui, Hideki | (filler) | Honda Phantoms | 52 |
| 16. | Stephens, Vern | (finalbody) | Laguna Niguel BREAKERS | 52 |
| 17. | Olerud, John | (WorcWarr) | Worcester Warriors | 52 |
| 18. | Kluszewski, Ted | (hayzess) | San Filipa Toros | 52 |
| 19. | Hrbek, Kent | (revh) | Wycliffe TRANSLATORS | 52 |
| 20. | Palmeiro, Rafael | (DaveH) | Ladson Cougars | 52 |
| 21. | Gwynn, Tony | (Majestic44) | Seattle Lions | 51 |
| 22. | Francona, Tito | (finalbody) | Laguna Niguel BREAKERS | 51 |
| 23. | Law, Vance | (filler8) | Boston Red Shoes | 51 |
| 24. | Williams, Ted | (Ikej) | New England Bombs | 51 |
| 25. | Clements, Jack | (redbird63) | West Point Mules | 51 |
| 26. | Cullenbine, Roy | (michelb3514) | Iowa Corn Pickers | 51 |
| 27. | Mattingly, Don | (nickachap) | SIOUX CITY Shafts | 51 |
| 28. | Bonura, Zeke | (GoYanks1981) | Shawshank Redemption | 51 |
| 29. | Castilla, Vinny | (filler) | CHP Ponch and John | 51 |
| 30. | Carty, Rico | (Myunclepunk) | Chicago Juan Epsteins | 51 |
| 31. | Bassler, Johnny | (bwoodcoc) | Roanoke Renegades | 50 |
| 32. | Pujols, Albert | (Tbone34) | Rhyl Rockets | 50 |
| 33. | Walling, Denny | (filler) | Queens Kings | 50 |
| 34. | Fain, Ferris | (ExposMe) | Twin Falls Eagles | 50 |
| 35. | Clements, Jack | (tbandit1) | Baltimore Bandits | 50 |
| 36. | Gordon, Sid | (dynasty) | Quincy Yorkers | 50 |
| 37. | Campanella, Roy | (Abcjz) | Galveston Waves | 50 |
| 38. | Tulowitzki, Troy | (Myunclepunk) | Chicago Top Hat | 50 |
| 39. | Foster, George | (babyave1) | Virginia Sluggers | 50 |
| 40. | Carty, Rico | (Kaline65) | LITTLE ROCK ROCKETS | 50 |
| 41. | Simmons, Ted | (dynasty) | Tampa Sharks | 50 |
| 42. | Mauer, Joe | (vonveezil) | Cape Girardeau Crawfish | 50 |
| 43. | Thornton, Andre | (dynasty) | Baltimore Blue Crabs | 50 |
| 44. | Mattingly, Don | (gibblets1973) | Biscay Bay Baby Snakes | 50 |
| 45. | Bonilla, Juan | (jsuer1971) | Smithville Suer Rats | 50 |
| 46. | Mattingly, Don | (richardcranium) | Georgetown Wolfpack | 50 |
| 47. | Nagashima, Shigeo | (andyyoung) | Fukuoka Softbank Hawks | 50 |
| 48. | Simmons, Ted | (filler) | Mission Viejo Huckleberrys | 50 |
| 49. | Aaron, Hank | (Slippingjimmy) | Chittenango Bears | 50 |
| 50. | Bell, Buddy | (Garvolta) | Balmer Yardbirds | 50 |
