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. | Webb, Earl | (filler8) | Ballantine Blasts | 56 |
| 3. | Gamble, Oscar | (nightwasp) | Brooklyn Dukes | 56 |
| 4. | Lemon, Chet | (teamkev24) | Taxi Driver | 55 |
| 5. | Howard, Frank | (Acorn) | New Britain Mess | 53 |
| 6. | Post, Wally | (DaveH) | Ladson Cougars | 53 |
| 7. | Mayberry, John | (bostontex24) | Boston College | 53 |
| 8. | Palmeiro, Rafael | (wjw1225) | Hudson Steamers | 52 |
| 9. | Gurriel, Yuli | (bwoodcoc) | Luna City Unicorns | 51 |
| 10. | Henderson, Dave | (revh) | Lincolnshire LOLLARDS | 51 |
| 11. | Mauer, Joe | (filler) | Mojave Desert RabidArmadillos | 51 |
| 12. | Downing, Brian | (Trux) | Grand Canyon 66ers | 51 |
| 13. | Mattingly, Don | (gibblets1973) | Greenspond Trail | 51 |
| 14. | Helton, Todd | (Trulaia) | Iowa Corn Pickers | 51 |
| 15. | Hebner, Richie | Houston Oilers | 51 | |
| 16. | Pujols, Albert | (cjay1444) | Chittenango Diamonds | 51 |
| 17. | Oliva, Tony | (mmeler) | Miami Sharks | 50 |
| 18. | Simmons, Ted | (dynasty) | Minnesota Wild Wolves 2 | 50 |
| 19. | Martinez, Tino | (rfb60609) | Wormsleyburg Warriors | 50 |
| 20. | Lemon, Chet | (tgbsbl1967) | Desert City Scorpions | 50 |
| 21. | McCovey, Willie | (DaveH) | Ladson Cougars | 50 |
| 22. | Posey, Buster | (JoeyT2870) | Toledo Tornados | 50 |
| 23. | Maxwell, Charlie | (filler) | Arkansas Fighting Pigs | 49 |
| 24. | Cey, Ron | (Cambayana) | Portland Bounty | 49 |
| 25. | Ott, Mel | (bigror25) | Seaview Diner | 49 |
| 26. | Clements, Jack | (samwhitworth) | West Dakota Slime | 49 |
| 27. | Kluszewski, Ted | (ALilWonky) | Washington Senators | 49 |
| 28. | Bench, Johnny | (Jericho2u) | Lolliland Trashboats | 49 |
| 29. | Madlock, Bill | (Myunclepunk) | Staten Island Huskies | 49 |
| 30. | Mattingly, Don | (filler8) | Olde English 800's | 49 |
| 31. | Williams, Ted | Roanoke Renegades | 49 | |
| 32. | Bonura, Zeke | (dynasty) | Gainesville Gators | 49 |
| 33. | Gordon, Sid | (filler2) | Hartford Hornets | 49 |
| 34. | McCormick, Frank | (filler2) | Middle Georgia 20-39 Rowdy Renegades | 49 |
| 35. | Singleton, Ken | (dynasty) | new orleans eagles | 49 |
| 36. | Kluszewski, Ted | (timyoung) | Bernard's Gardening Bulldogs | 49 |
| 37. | Mattingly, Don | (LDJS1947) | 57th STREET INCIDENTS | 49 |
| 38. | Fain, Ferris | (filler) | Albany All Stars | 49 |
| 39. | Ordonez, Magglio | (Dmurphy) | Iowa Corn Pickers | 49 |
| 40. | Slaughter, Enos | (dhuffman72) | Los Angeles Brew 102's | 49 |
| 41. | Gwynn, Tony | (michelb3514) | Iowa Corn Pickers | 49 |
| 42. | Clements, Jack | (dynasty8) | Blue Sharks | 49 |
| 43. | Mattingly, Don | (REVEJB) | Sweet Sassy Mollassys | 49 |
| 44. | Mattingly, Don | (smacks4) | Carolina Hornets | 49 |
| 45. | Piazza, Mike | (sgt714) | Boston Red Sox | 49 |
| 46. | Sauer, Hank | (dynasty) | Quincy Yorkers | 48 |
| 47. | Clements, Jack | (sheikyerboudi) | Bad News Beers | 48 |
| 48. | Bonura, Zeke | (chasherm) | Baraboo Circus | 48 |
| 49. | Robinson, Brooks | (maulucci16) | The Felix of The Mid-Century⚾️ | 48 |
| 50. | Boggs, Wade | (shane211) | South Dakota Dragons | 48 |