Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Complete Games)
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. | Walsh, Ed | (filler) | Singapore Blue Jays | 31 |
| 2. | Gibson, Bob | (Gibblets1973) | Wedgewood Park Wild | 30 |
| 3. | Walsh, Ed | (mrfantasy) | Wisconsin Shepherds | 30 |
| 4. | Marichal, Juan | (vanderj6993) | Pittsburgh Lumber Company | 30 |
| 5. | Sweeney, Charlie | (gibblets1973) | Gander Flyers | 30 |
| 6. | Gooden, Dwight | (Mav54) | Delaware County Team Delco | 29 |
| 7. | Walsh, Ed | (Fungoking) | New York Knights | 29 |
| 8. | Walsh, Ed | (coachmcs) | Northwestern Wolves | 29 |
| 9. | Koufax, Sandy | (gibblets1973) | St. John's Saints | 29 |
| 10. | Walsh, Ed | (Bevofan2020) | Sly Old Fox | 28 |
| 11. | Walsh, Ed | (gibblets1973) | Petite Forte Panthers | 28 |
| 12. | Gooden, Dwight | (jericho2u) | Lolliland Trashboats | 28 |
| 13. | Gooden, Dwight | (gibblets1973) | Conception Bay South Roughriders | 28 |
| 14. | Blue, Vida | (DaveH) | Ladson Cougars | 28 |
| 15. | Carlton, Steve | (DaveH) | Ladson Cougars | 28 |
| 16. | Walsh, Ed | (hayzess) | Santiam SNAKE | 28 |
| 17. | Blue, Vida | (gibblets1973) | Swift Current NL Swords | 28 |
| 18. | Bonham, Tiny | (vanderj6993) | Flia Eskimos | 28 |
| 19. | Ford, Russ | (Bevofan2020) | Ladson Dodgers | 28 |
| 20. | Warneke, Lon | (gibblets1973) | Long Beach NL Lawmen | 28 |
| 21. | McNally, Dave | (vanderj6993) | Marvin's Martians | 28 |
| 22. | Walsh, Ed | (Zigwiggity) | Greensboro Yellow Jackets | 28 |
| 23. | Gibson, Bob | (catefigcas) | Brookings Harbor DirtBags | 28 |
| 24. | Whitney, Jim | (gibblets1973) | Gander Flyers | 28 |
| 25. | Walsh, Ed | (paranoid) | Las Vegas Silver Dragons | 27 |
| 26. | Hecker, Guy | (Fungoking) | PHILADELPHIA STATESMEN | 27 |
| 27. | Walsh, Ed | (Fungoking) | PHILADELPHIA STATESMEN | 27 |
| 28. | Johnson, Walter | (filler) | Chattanooga Colts | 27 |
| 29. | Blue, Vida | (kingstreet) | Singapore Slingers | 27 |
| 30. | Gibson, Bob | (gibblets1973) | St. John's Saints | 27 |
| 31. | Sweeney, Charlie | (samwhitworth) | West Dakota Slime | 27 |
| 32. | Joss, Addie | (Shpennymons) | Chesapeake Oysters | 27 |
| 33. | Walsh, Ed | (tjm) | Boston Bees | 27 |
| 34. | Walsh, Ed | (mintwinsfan) | Lake Mills Bulldogs | 27 |
| 35. | Walsh, Ed | (filler) | Philadelphia A’s | 27 |
| 36. | Walsh, Ed | (paul789) | Shannon Wolves | 27 |
| 37. | Pfiester, Jack | (Horndecker) | Wabash Haberdashers | 27 |
| 38. | Walsh, Ed | (gibblets1973) | Petite Forte Panthers | 27 |
| 39. | Sweeney, Charlie | (gibblets1973) | Gander Flyers | 27 |
| 40. | Joss, Addie | (masimo29) | Los Angeles Big Fish | 27 |
| 41. | Valenzuela, Fernando | (gibblets1973) | West End Swirling Swirls | 27 |
| 42. | Marichal, Juan | (Iamcota) | Londonderry LIzard Kings | 27 |
| 43. | Brown, Mordecai | (DaveH) | Ladson Dodgers | 27 |
| 44. | Clemens, Roger | (gibblets1973) | Wedgewood Park Patriots | 27 |
| 45. | Blue, Vida | (gibblets1973) | Logy Bay Loggers | 27 |
| 46. | Ford, Russ | (denniskitts1313) | Backyard Brawlers | 27 |
| 47. | Blue, Vida | (gibblets1973) | Swift Current NL Swords | 27 |
| 48. | Sweeney, Charlie | (Dark) | Brooklyn Robins | 27 |
| 49. | Walsh, Ed | (PalinJames) | Erie Assassins | 27 |
| 50. | Hecker, Guy | (Shpennymons) | Cleveland Naps | 27 |