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| Single-Season Walks Allowed Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Walks Allowed | IP | Year | Career Leaderboard |
| 1. | Dan Casey | 99 | 320.7 | 1884 | |
| 2. | Hardie Henderson | 96 | 375.7 | 1884 | |
| 3. | Will Sawyer | 87 | 345.0 | 1884 | |
| 4. | Peek-A-Boo Veach | 86 | 263.3 | 1884 | |
| 5. | Tony Mullane | 84 | 349.0 | 1884 | |
| 6. | John Fox | 83 | 325.0 | 1884 | |
| 7. | Charlie Cady | 82 | 268.0 | 1884 | |
| 8. | Jim Conway | 80 | 362.7 | 1884 | |
| 9. | Bill Mountjoy | 74 | 375.7 | 1884 | |
| Lady Baldwin | 74 | 324.3 | 1884 | ||
| 11. | Tim Keefe | 70 | 385.7 | 1884 | |
| 12. | Billy Taylor | 69 | 389.0 | 1884 | |
| Bob Caruthers | 69 | 354.0 | 1884 | ||
| Hugh Daily | 69 | 306.7 | 1884 | ||
| 15. | Dupee Shaw | 68 | 393.7 | 1884 | |
| Charlie Buffinton | 68 | 370.3 | 1884 | ||
| Bobby Mitchell | 68 | 342.3 | 1884 | ||
| 18. | J. Fisher | 67 | 226.3 | 1884 | |
| 19. | Dave Foutz | 63 | 369.0 | 1884 | |
| 20. | Lee Richmond | 62 | 351.7 | 1884 | |
| Ernie Hickman | 62 | 316.0 | 1884 | ||
| 22. | Perry Werden | 60 | 343.7 | 1884 | |
| Jersey Bakely | 60 | 284.7 | 1884 | ||
| Gid Gardner | 60 | 121.7 | 1884 | ||
| 25. | Larry Corcoran | 59 | 319.3 | 1884 | |
| John Connor | 59 | 237.3 | 1884 | ||
| 27. | Charlie Sweeney | 57 | 363.0 | 1884 | |
| Jim Chatterton | 57 | 203.0 | 1884 | ||
| 29. | The Only Nolan | 55 | 313.3 | 1884 | |
| 30. | Daisy Davis | 54 | 354.0 | 1884 | |
| 31. | Bob Emslie | 50 | 291.0 | 1884 | |
| 32. | Dick Burns | 49 | 369.0 | 1884 | |
| Harry Salisbury | 49 | 303.7 | 1884 | ||
| 34. | Fred Corey | 48 | 340.0 | 1884 | |
| 35. | Larry McKeon | 47 | 307.3 | 1884 | |
| Bill Hutchison | 47 | 174.0 | 1884 | ||
| 37. | Guy Hecker | 46 | 329.3 | 1884 | |
| Mickey Welch | 46 | 308.7 | 1884 | ||
| 39. | Frank Mountain | 45 | 282.3 | 1884 | |
| Charlie Ferguson | 45 | 239.0 | 1884 | ||
| 41. | Jim Whitney | 43 | 391.0 | 1884 | |
| Alex Voss | 43 | 333.3 | 1884 | ||
| 43. | John Harkins | 40 | 164.3 | 1884 | |
| 44. | Charley Radbourn | 39 | 268.0 | 1884 | |
| 45. | Bob Black | 38 | 278.0 | 1884 | |
| Lou Galvin | 38 | 132.7 | 1884 | ||
| 47. | Con Murphy | 37 | 70.0 | 1884 | |
| 48. | Bobby Mathews | 36 | 377.7 | 1884 | |
| Ed Morris | 36 | 257.3 | 1884 | ||
| 50. | Jack (da) Jones | 35 | 388.0 | 1884 | |
| Denny Driscoll | 35 | 369.0 | 1884 | ||
| Tricky Nichols | 35 | 315.7 | 1884 | ||
| 53. | Pud Galvin | 34 | 357.0 | 1884 | |
| Curry Foley | 34 | 324.0 | 1884 | ||
| George Bradley | 34 | 234.7 | 1884 | ||
| 56. | Fred Goldsmith | 33 | 335.7 | 1884 | |
| Frank Brill | 33 | 178.0 | 1884 | ||
| 58. | Jack Lynch | 32 | 331.7 | 1884 | |
| Charlie Daniels | 32 | 131.0 | 1884 | ||
| 60. | Art Thompson | 31 | 116.7 | 1884 | |
| 61. | John Ward | 30 | 304.3 | 1884 | |
| 62. | John Reccius | 29 | 78.0 | 1884 | |
| 63. | Sam Weaver | 28 | 243.7 | 1884 | |
| 64. | Stump Wiedman | 27 | 257.7 | 1884 | |
| Tom Lee | 27 | 157.0 | 1884 | ||
| Frank Buttery | 27 | 58.0 | 1884 | ||
| 67. | John Coleman | 26 | 308.0 | 1884 | |
| 68. | Jumbo McGinnis | 25 | 140.7 | 1884 | |
| 69. | Ed Kent | 24 | 77.7 | 1884 | |
| Tom Sullivan | 24 | 76.3 | 1884 | ||
| 71. | John Murphy | 23 | 295.7 | 1884 | |
| 72. | John Valentine | 21 | 217.7 | 1884 | |
| Henry Boyle | 21 | 165.0 | 1884 | ||
| 74. | Bill Gallagher | 20 | 69.3 | 1884 | |
| Tom Lynch | 20 | 52.7 | 1884 | ||
| 76. | Bill McGunnigle | 19 | 36.0 | 1884 | |
| 77. | Norm Baker | 18 | 40.3 | 1884 | |
| Morrie Critchley | 18 | 32.0 | 1884 | ||
| 79. | James Burke | 17 | 368.3 | 1884 | |
| Jim Britt | 17 | 247.7 | 1884 | ||
| Alonzo Breitenstein | 17 | 74.3 | 1884 | ||
| 82. | Will White | 16 | 128.3 | 1884 | |
| George Derby | 16 | 101.3 | 1884 | ||
| 84. | Bill Stearns | 15 | 153.0 | 1884 | |
| Pete Meegan | 15 | 79.0 | 1884 | ||
| Milo Lockwood | 15 | 39.7 | 1884 | ||
| Sparrow Morton | 15 | 35.0 | 1884 | ||
| Lem Hunter | 15 | 24.7 | 1884 | ||
| 89. | Frank Meinke | 13 | 74.7 | 1884 | |
| Mike Corcoran | 13 | 51.3 | 1884 | ||
| Ed Cushman | 13 | 50.7 | 1884 | ||
| Frank Beck | 13 | 49.3 | 1884 | ||
| Joe Connors | 13 | 42.3 | 1884 | ||
| Al Bauer | 13 | 32.0 | 1884 | ||
| Frank Fleet | 13 | 31.7 | 1884 | ||
| Ed Coughlin | 13 | 17.7 | 1884 | ||
| 97. | John Ryan | 12 | 40.3 | 1884 | |
| 98. | Cy Bentley | 11 | 141.3 | 1884 | |
| Sam Moffett | 11 | 38.3 | 1884 | ||
| 100. | Al Atkinson | 10 | 57.0 | 1884 |
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