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. | Clements, Jack | (Consigliere33) | Chicago Outfit | 63 |
| 2. | Howard, Frank | (Acorn) | New Britain Mess | 53 |
| 3. | Williams, Ted | (doittoitlars) | JUNKYARD DOGS | 53 |
| 4. | Mattingly, Don | (goingyard) | Springfield Isotopes | 53 |
| 5. | Palmeiro, Rafael | (blackmamba) | Tampa Trotters | 52 |
| 6. | Downing, Brian | (Trux) | Grand Canyon 66ers | 51 |
| 7. | Helton, Todd | (michelb3514) | Iowa Corn Pickers | 51 |
| 8. | Gurriel, Yuli | (Ndekar) | Ridgefield Tigers | 51 |
| 9. | Bell, Buddy | (kingstreet) | Singapore Slingers | 51 |
| 10. | Mattingly, Don | (Bigredmachine90) | Mother Tuckers | 50 |
| 11. | Martinez, Tino | (LDJS1947) | WOODSTONE WARRIORS | 50 |
| 12. | Olerud, John | (captncaveman) | Boulder Bald Eagles | 50 |
| 13. | Oliva, Tony | (Smally08) | Longview Demolition | 50 |
| 14. | Slaughter, Enos | (welchbw) | Hamburg Babes | 49 |
| 15. | Clements, Jack | Punta Cana Toro's | 49 | |
| 16. | Francona, Terry | (kingstreet) | Singapore Straits Tigers | 49 |
| 17. | Simmons, Ted | (WorcWarr) | Worcester Warriors | 49 |
| 18. | Murray, Eddie | (montgomerybrews) | Montgomery Brewsters | 49 |
| 19. | Bench, Johnny | (Trilling) | Malibu Sharks | 49 |
| 20. | Floyd, Cliff | (myunclepunk) | Chicago Bear Hugs | 49 |
| 21. | Clements, Jack | (samwhitworth) | West Dakota Slime | 49 |
| 22. | Gonzalez, Tony | (gpsman) | Las Vegas 51's | 49 |
| 23. | Gordon, Sid | (filler) | Bryan Bombers | 49 |
| 24. | Downing, Brian | (jim2miller) | Capital City Nighthawks | 49 |
| 25. | Piazza, Mike | (kingstreet) | Singapore Slingers | 49 |
| 26. | Rice, Jim | (paranoid) | Las Vegas Vegan Vampires | 49 |
| 27. | Gwynn, Tony | (michelb3514) | Iowa Corn Pickers | 49 |
| 28. | McCormick, Frank | (Natural) | No Good Sons of Pitches | 49 |
| 29. | Clements, Jack | (Jas2222) | San Francisco Walkers | 48 |
| 30. | Campanella, Roy | (Travdaddg23) | Crystal City Malingerers | 48 |
| 31. | Bonura, Zeke | (chasherm) | Baraboo Circus | 48 |
| 32. | Garciaparra, Nomar | (batista) | JERSEY SHORE BADLANDS | 48 |
| 33. | Downing, Brian | (tgbsbl1967) | Madagascar Bluebirds | 48 |
| 34. | Bonura, Zeke | (bwoodcoc) | Roanoke Renegades | 48 |
| 35. | Clements, Jack | (athlete4) | Hopwood Hacks | 48 |
| 36. | Helton, Todd | (michelb3514) | Iowa Corn Pickers | 48 |
| 37. | Mattingly, Don | (hikkster) | San Diego Nut Busters | 47 |
| 38. | Davis, Alvin | (montgomerybrews) | Montgomery Brewsters | 47 |
| 39. | Hartnett, Gabby | (filler) | Los Angeles Sharks | 47 |
| 40. | Tejada, Miguel | (moxie) | Keokuk Westerns | 47 |
| 41. | Pujols, Albert | (jarc) | Orangers Orangers | 47 |
| 42. | Bonura, Zeke | (GLOBEXcorp) | GLOBEX Corporation | 47 |
| 43. | Palmeiro, Rafael | (davrogbro62) | Memphis Marlins | 47 |
| 44. | Hartnett, Gabby | (Dradaa3) | Milwaukee The Beermakers | 47 |
| 45. | Williams, Ted | (fps1956) | Top Cats | 47 |
| 46. | Helton, Todd | (filler) | Quincy Kids | 47 |
| 47. | Maxwell, Charlie | (Rad336) | Bear Creek Black Sox | 47 |
| 48. | Bando, Sal | (Acorn) | New Britain Mess | 47 |
| 49. | Carter, Gary | (Warrior) | Kansas City Royals | 47 |
| 50. | Williams, Ted | (TheNatural) | Atlanta Boomers | 47 |