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 | (dunroche) | Ohio Stealers | 176 |
| 2. | Sutton, Don | (dunroche) | Chenango Wolves | 163 |
| 3. | Turley, Bob | (LDJS1947) | BRONX BOMBERS | 162 |
| 4. | Ryan, Nolan | (gibblets1973) | East End Eagle | 162 |
| 5. | Ryan, Nolan | (gibblets1973) | El Paso Diablos | 160 |
| 6. | Turley, Bob | (timnara1) | Lake Havasu Rain-10 | 159 |
| 7. | Score, Herb | (dynasty) | Scranton Legends | 157 |
| 8. | Ryan, Nolan | (Anakin1966) | New york Mets | 155 |
| 9. | Downing, Al | (Vanderj6993) | Fila Eskimos | 154 |
| 10. | Turley, Bob | (filler) | Grantsville Gunslingers | 154 |
| 11. | Score, Herb | (filler) | Miami Cats | 153 |
| 12. | Starffin, Victor | Chiba Lotte Marines | 153 | |
| 13. | Score, Herb | (jaredhamann) | Belmont Eagles | 152 |
| 14. | Lundgren, Carl | (filler8) | Monticello Bean Bags | 151 |
| 15. | Score, Herb | (whtsittou83) | Osaka Billlie | 151 |
| 16. | Rogers, Steve | (filler) | Baltimore Bats | 149 |
| 17. | Turley, Bob | (billyconn) | Bartonsville Angels | 149 |
| 18. | Score, Herb | (LDJS1947) | ST. LOIUS BLUES | 149 |
| 19. | Score, Herb | Folcroft Blue Devils | 148 | |
| 20. | Score, Herb | (filler) | Mighty Mites | 148 |
| 21. | Score, Herb | (sheikyerboudi) | 12th Man Why Nots | 148 |
| 22. | Score, Herb | (wallygats) | Bradley Bulls | 148 |
| 23. | Score, Herb | (filler) | Baltimore Suns | 147 |
| 24. | Ryan, Nolan | (829er) | Lothair Greifzens | 146 |
| 25. | Score, Herb | (Pop) | Woodenville Waterfowls | 146 |
| 26. | Ryan, Nolan | (Mortamar1966) | Kansas City Monarchs | 145 |
| 27. | Score, Herb | (filler) | Three Rivers Tigers | 145 |
| 28. | Score, Herb | (brian4656) | Tampico Stogies | 145 |
| 29. | McDowell, Sam | (dynasty) | ROCHESTER ROBBERS | 145 |
| 30. | Feller, Bob | (filler8) | Oklahoma Oxen | 144 |
| 31. | Score, Herb | (dynasty) | Baltimore Burners | 144 |
| 32. | Score, Herb | (filler) | Toronto Stingers | 144 |
| 33. | Ryan, Nolan | (gibblets1973) | Greenspond Trail | 144 |
| 34. | Score, Herb | (filler) | Northeast Alligators | 144 |
| 35. | Bridges, Tommy | (filler) | Coulda Beena Contenders | 143 |
| 36. | Estes, Shawn | (dynasty) | Tallahassee Bounty | 143 |
| 37. | Nash, Jim | (yeast) | Tampa Indians | 143 |
| 38. | Turley, Bob | (filler) | Orlando VA | 143 |
| 39. | Score, Herb | (filler8) | Chitown Sabotage | 143 |
| 40. | Feller, Bob | (GoYanks1981) | Long Island Rattlesnakes | 143 |
| 41. | Ryan, Nolan | (gibblets1973) | East End Eagle | 143 |
| 42. | Score, Herb | (dynasty) | Houston Heaters | 143 |
| 43. | Nomo, Hideo | (dynasty) | St.louis Spiders | 142 |
| 44. | Koufax, Sandy | (dunroche) | Ohio Stealers | 142 |
| 45. | Rogers, Steve | (dynasty) | Alabama Aces | 142 |
| 46. | Downing, Al | Las Vegas Athletics | 142 | |
| 47. | Valenzuela, Fernando | (Nickachap) | South Dakota Bears | 141 |
| 48. | Score, Herb | (FJK3) | Indy Huskies | 141 |
| 49. | Blue, Vida | (Trulaia) | Seattle Scooters | 141 |
| 50. | Score, Herb | (teamkev24) | Riveting Rosies | 141 |
