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. | Mattingly, Don | (Twmart2212) | Belington Wahoos | 53 |
| 3. | Williams, Ted | (ranger) | JUNKYARD DOGS | 53 |
| 4. | Hartnett, Gabby | (krtyler11) | Oakland A's | 51 |
| 5. | Helton, Todd | (michelb3514) | Iowa Corn Pickers | 51 |
| 6. | Clements, Jack | (PARATROOPER22) | TENNESSEE MASHERS | 51 |
| 7. | Bell, Buddy | (kingstreet) | Singapore Slingers | 51 |
| 8. | Downing, Brian | (Trux) | Grand Canyon 66ers | 51 |
| 9. | Martinez, Tino | (filler) | Woodstone Warriors | 50 |
| 10. | Mattingly, Don | (Bigredmachine90) | Mother Tuckers | 50 |
| 11. | Olerud, John | (Mranastasia) | Huntington Horsemen | 50 |
| 12. | Piazza, Mike | (Phillyfan300) | Philadelphia Phillies | 50 |
| 13. | Clements, Jack | (samwhitworth) | West Dakota Slime | 49 |
| 14. | Simmons, Ted | (WorcWarr) | Worcester Warriors | 49 |
| 15. | Francona, Terry | (kingstreet) | Singapore Straits Tigers | 49 |
| 16. | Rice, Jim | (paranoid) | Las Vegas Vegan Vampires | 49 |
| 17. | Piazza, Mike | (kingstreet) | Singapore Slingers | 49 |
| 18. | Clements, Jack | (leakypipe) | Punta Cana Toro's | 49 |
| 19. | Murray, Eddie | (montgomerybrews) | Montgomery Brewsters | 49 |
| 20. | Floyd, Cliff | (myunclepunk) | Chicago Bear Hugs | 49 |
| 21. | McCormick, Frank | (sheikyerboudi) | No Good Sons of Pitches | 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. | Hogan, Shanty | (fuzzbox13) | Atlanta Crackers | 48 |
| 26. | Downing, Brian | (tgbsbl1967) | Madagascar Bluebirds | 48 |
| 27. | Clements, Jack | (samwhitworth) | San Francisco Walkers | 48 |
| 28. | Bonura, Zeke | (Robhawkva) | Roanoke Renegades | 48 |
| 29. | Campanella, Roy | (Travdaddg23) | Crystal City Malingerers | 48 |
| 30. | Garciaparra, Nomar | (batista) | JERSEY SHORE BADLANDS | 48 |
| 31. | Goodman, Billy | (billyconn) | Florida Keys | 48 |
| 32. | Clements, Jack | (athlete4) | Hopwood Hacks | 48 |
| 33. | Moore, Johnny | (filler) | Los Angeles Sharks | 47 |
| 34. | Seager, Corey | (Shall49) | Kansas City T-Bones | 47 |
| 35. | Bonura, Zeke | (filler) | Los Angeles Sharks | 47 |
| 36. | Simmons, Ted | (montgomerybrews) | Montgomery Brewsters | 47 |
| 37. | Tejada, Miguel | (doceagle) | Keokuk Westerns | 47 |
| 38. | Helton, Todd | (filler) | Quincy Kids | 47 |
| 39. | Hartnett, Gabby | Milwaukee The Beermakers | 47 | |
| 40. | Maxwell, Charlie | (filler) | Bear Creek Black Sox | 47 |
| 41. | Davis, Chili | (Strokey) | Durham Bulls | 47 |
| 42. | Mattingly, Don | (mickey7) | Dallas Nut Busters | 47 |
| 43. | Hartnett, Gabby | (dweier) | Los Angeles Sharks | 47 |
| 44. | Carter, Gary | (Warrior) | Kansas City Royals | 47 |
| 45. | Williams, Ted | (mmeler) | Atlanta Boomers | 47 |
| 46. | McCormick, Frank | (dynasty) | Long Island Gangsta’s | 47 |
| 47. | Williams, Ted | (Mortamar1966) | Harper's Ferry Mudskippers | 47 |
| 48. | Palmeiro, Rafael | (tjmoss86) | Miami Marlins | 47 |
| 49. | Pujols, Albert | (jarc) | Orangers Orangers | 47 |
| 50. | Bando, Sal | (mmeler) | New Britain Mess | 47 |