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. | Gamble, Oscar | (masimo29) | Providence Federals | 56 |
| 2. | Webb, Earl | (filler8) | Ballantine Blasts | 56 |
| 3. | Lemon, Chet | (teamkev24) | Taxi Driver | 55 |
| 4. | Torre, Joe | (filler2) | South Dakota Dodgers | 54 |
| 5. | Downing, Brian | (robmb) | Ramsey Rangers | 54 |
| 6. | Maxwell, Charlie | (filler8) | Chenango Wolves | 53 |
| 7. | Mayberry, John | (bostontex24) | Boston College | 53 |
| 8. | Post, Wally | (DaveH) | Ladson Cougars | 53 |
| 9. | Kluszewski, Ted | (WorcWarr) | Worcester Warriors | 53 |
| 10. | Kluszewski, Ted | (hayzess) | San Filipa Toros | 52 |
| 11. | Olerud, John | (michelb3514) | Iowa Corn Pickers | 52 |
| 12. | Palmeiro, Rafael | (Zigwiggity) | Saint Louis Spirits | 52 |
| 13. | Mattingly, Don | (vikingdan10) | Valhalla Thunder Gods | 52 |
| 14. | Henderson, Dave | (Mortamar1966) | Kansas City Monarchs | 51 |
| 15. | Gurriel, Yuli | (tda81) | Luna City Unicorns | 51 |
| 16. | Mattingly, Don | (gibblets1973) | Greenspond Trail | 51 |
| 17. | Lo Duca, Paul | (MJR) | Gwinnett Stripers | 51 |
| 18. | Mauer, Joe | (michelb3514) | Iowa Corn Pickers | 51 |
| 19. | Pujols, Albert | (JoeyT2870) | Chittenango Diamonds | 51 |
| 20. | Hebner, Richie | Houston Oilers | 51 | |
| 21. | Pujols, Albert | (LDJS1947) | CAPAHA CAVEMEN | 50 |
| 22. | McCovey, Willie | (DaveH) | Ladson Cougars | 50 |
| 23. | Lemon, Chet | (tgbsbl1967) | Desert City Scorpions | 50 |
| 24. | Maxwell, Charlie | (dynasty) | Hartford Hornets | 50 |
| 25. | Oliva, Tony | (theaternerd) | Adams Atoms | 50 |
| 26. | Thomas, Frank | (sytsmab) | KaZoo SDS | 50 |
| 27. | Simmons, Ted | Minnesota Wild Wolves 2 | 50 | |
| 28. | Gamble, Oscar | (vikingdan10) | Pink Floyds | 50 |
| 29. | Posey, Buster | (paranoid) | Las Vegas Bombers | 50 |
| 30. | Mattingly, Don | (salukisam) | Monkey Business | 49 |
| 31. | Madlock, Bill | (Myunclepunk) | Staten Island Huskies | 49 |
| 32. | Maxwell, Charlie | (bogey55) | Arkansas Fighting Pigs | 49 |
| 33. | Gwynn, Tony | (michelb3514) | Iowa Corn Pickers | 49 |
| 34. | Kluszewski, Ted | (WorcWarr) | Worcester Warriors | 49 |
| 35. | McCormick, Frank | (dynasty) | Middle Georgia 20-39 Rowdy Renegades | 49 |
| 36. | Mattingly, Don | (filler) | Olde English 800's | 49 |
| 37. | Williams, Ted | (REVEJB) | After Skool | 49 |
| 38. | Singleton, Ken | (filler) | new orleans eagles | 49 |
| 39. | Kluszewski, Ted | (ALilWonky) | Washington Senators | 49 |
| 40. | Bell, Buddy | (filler) | Portland - 81 Bounty | 49 |
| 41. | Bonura, Zeke | (dynasty) | Gainesville Gators | 49 |
| 42. | Gordon, Sid | (dynasty) | Hartford Hornets | 49 |
| 43. | Ott, Mel | (bigror25) | Seaview Diner | 49 |
| 44. | Mattingly, Don | (Chunkyschumps) | Breaking Bad | 49 |
| 45. | Ordonez, Magglio | (bfstevens) | Edinboro Fighting Scots | 49 |
| 46. | Bench, Johnny | (Tommyboy23) | Tampa Phantoms | 49 |
| 47. | Gonzalez, Juan | (Mranastasia) | Memphis Wolves | 49 |
| 48. | Williams, Ted | (roguerouge) | Atlanta Balking Dead | 49 |
| 49. | Fain, Ferris | (Dark) | AnnvilleCleona Turkey Trotters | 49 |
| 50. | Kluszewski, Ted | (timyoung) | Bernard's Gardening Bulldogs | 49 |