Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Walks Allowed)
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. | Blue, Vida | (chaaad) | Weeksville Unknown | 176 |
| 2. | Sutton, Don | (dynasty) | Florida Crabs | 163 |
| 3. | Harden, Rich | (dynasty) | San Diego Sharks | 163 |
| 4. | Turley, Bob | (richp) | Dark Knights | 163 |
| 5. | Turley, Bob | (CoachHollett) | Nevada Sluggers | 162 |
| 6. | Turley, Bob | (filler) | Milwaukee Skeletons | 162 |
| 7. | Ryan, Nolan | (gibblets1973) | Dunnville Diablos | 160 |
| 8. | Richard, J.R. | (dynasty) | Portland Vikings | 160 |
| 9. | Turley, Bob | (filler8) | Arizona Suns | 159 |
| 10. | Ryan, Nolan | (Griff) | READING BASE STEALERS | 155 |
| 11. | Turley, Bob | (filler8) | Miami Serpents | 155 |
| 12. | Ryan, Nolan | (Taneill) | NL 1978 All Stars | 155 |
| 13. | Downing, Al | (Burrellfan1) | Jersey Shore BlueClaws | 154 |
| 14. | Score, Herb | (walle-1) | Milwaukee Skeletons | 154 |
| 15. | Turley, Bob | (JoeyT2870) | Pittsburgh Plunder | 154 |
| 16. | Starffin, Victor | (walle-1) | Minnesota Frogs | 153 |
| 17. | Score, Herb | (idesofmarch) | Brazos Valley Mustangs | 152 |
| 18. | Lundgren, Carl | (filler8) | Alaska Red Bears | 152 |
| 19. | Score, Herb | (Artinshki) | Team Sucks | 152 |
| 20. | Lolich, Mickey | (teamkev24) | Wilhelm Screams | 152 |
| 21. | Fromme, Art | (walle-1) | Kentucky Horses | 151 |
| 22. | Feller, Bob | (dynasty) | Toronto Tigers | 151 |
| 23. | Lundgren, Carl | (richp) | Chicago Reapers | 151 |
| 24. | Lundgren, Carl | (Tbone34) | Marion Angry Wolves | 151 |
| 25. | Wood, Kerry | (CoachHollett) | Selma Grizzlies | 151 |
| 26. | Score, Herb | (idesofmarch) | Abbeville Oystershuckers | 151 |
| 27. | Ford, Russ | (filler8) | New Jersey Devils | 150 |
| 28. | McNally, Dave | (filler8) | New Jersey Devils | 150 |
| 29. | Score, Herb | (godelfan) | Queens Queenies | 150 |
| 30. | Score, Herb | (Swingindave) | ARKANSAS RAZORBACKS | 149 |
| 31. | Rogers, Steve | (Coopertown) | Sacramento Lions | 149 |
| 32. | Turley, Bob | (filler8) | Salem Demons | 149 |
| 33. | McCatty, Steve | (babyave1) | Augusta Masters | 149 |
| 34. | Hunter, Catfish | (Papa1014) | Boulder Cavemen | 148 |
| 35. | Score, Herb | (Mealmighty) | Alaska Red Bears | 148 |
| 36. | Score, Herb | (CoachHollett) | New Jersey Devils | 148 |
| 37. | Score, Herb | (dynasty) | Nevada Snakes | 148 |
| 38. | Score, Herb | (godelfan) | Lisbon Librarians | 148 |
| 39. | Score, Herb | (filler8) | Boston Bees | 148 |
| 40. | Score, Herb | (dynasty) | Denver Eagles | 148 |
| 41. | Score, Herb | (crapgame) | Gas City Guzzlers | 147 |
| 42. | Turley, Bob | (walle-1) | Arizona Suns | 147 |
| 43. | Stoneman, Bill | (walle-1) | Pittsburgh Plunder | 147 |
| 44. | Ryan, Nolan | (829er) | Lothair Greifzens | 146 |
| 45. | Cueto, Johnny | (walle-1) | Montana Ducks | 146 |
| 46. | Morris, Jack | (wishfulpitching) | Homestead Grays | 146 |
| 47. | Score, Herb | (walle-1) | New Jersey Devils | 146 |
| 48. | Turley, Bob | (sheikyerboudi) | Dinah-Moe Humm | 145 |
| 49. | Score, Herb | (dynasty) | Arizona Suns | 145 |
| 50. | Rogers, Steve | (wduncan) | Panama City Sardines | 145 |
