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| Single-Season Walks Allowed Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Walks Allowed | IP | Year | Career Leaderboard |
| 1. | Jesse Nelson | 160 | 280.7 | 1949 | |
| 2. | Donald Walker | 145 | 258.0 | 1949 | |
| 3. | Daniel Adams | 144 | 262.7 | 1948 | |
| Scott Cross | 144 | 231.0 | 1948 | ||
| 5. | Donald Walker | 143 | 248.0 | 1950 | |
| 6. | Wesley Taylor | 141 | 220.0 | 1950 | |
| Scott Cross | 141 | 248.7 | 1947 | ||
| 8. | Joseph Frank | 140 | 245.3 | 1949 | |
| 9. | Daniel Adams | 139 | 264.3 | 1947 | |
| 10. | Michael Maker | 138 | 219.0 | 1950 | |
| 11. | Michael Maker | 137 | 252.0 | 1949 | |
| 12. | Alvin Guerrero | 134 | 202.3 | 1947 | |
| 13. | Robert Lerman | 128 | 279.7 | 1949 | |
| 14. | Daniel Elliott | 126 | 285.7 | 1950 | |
| Joseph Frank | 126 | 200.0 | 1950 | ||
| 16. | Joseph Hale | 123 | 294.7 | 1950 | |
| Brent Spencer | 123 | 239.3 | 1948 | ||
| 18. | Donald Walker | 122 | 245.0 | 1948 | |
| 19. | Jesse Nelson | 121 | 227.0 | 1950 | |
| 20. | Charles Eddins | 120 | 251.3 | 1948 | |
| 21. | Edward Pires | 119 | 243.7 | 1949 | |
| Robert Evatt | 119 | 215.7 | 1949 | ||
| Paul Encarnacion | 119 | 229.7 | 1948 | ||
| Leonard Orcutt | 119 | 239.7 | 1947 | ||
| Robert Evatt | 119 | 224.0 | 1947 | ||
| 26. | Ryan Canizales | 118 | 321.7 | 1950 | |
| Abdiel Medina | 118 | 224.3 | 1950 | ||
| Charles Eddins | 118 | 230.7 | 1949 | ||
| Robert Lerman | 118 | 268.7 | 1948 | ||
| Virgil Rice | 118 | 250.0 | 1948 | ||
| Robert Lerman | 118 | 282.7 | 1947 | ||
| 32. | James Riordan | 117 | 226.3 | 1950 | |
| Israel Nava | 117 | 197.7 | 1950 | ||
| Tanner Rosser | 117 | 241.0 | 1948 | ||
| Leonard Orcutt | 117 | 222.3 | 1948 | ||
| 36. | Virgil Rice | 116 | 205.7 | 1950 | |
| Jon Eaton | 116 | 212.0 | 1948 | ||
| Joel Lopez | 116 | 241.7 | 1947 | ||
| 39. | Stephen McMaster | 115 | 271.0 | 1949 | |
| 40. | James Bury | 114 | 217.3 | 1950 | |
| Gary Smith | 114 | 189.3 | 1950 | ||
| Stephen McMaster | 114 | 281.7 | 1948 | ||
| 43. | Carlos Pacheco | 113 | 272.0 | 1950 | |
| Charles Eddins | 113 | 205.7 | 1950 | ||
| 45. | Johnny Gagner | 112 | 241.3 | 1949 | |
| William Cuadrado | 112 | 211.3 | 1949 | ||
| Matthew Sweeney | 112 | 214.0 | 1948 | ||
| Paul Encarnacion | 112 | 228.0 | 1947 | ||
| 49. | Virgil Rice | 111 | 189.3 | 1949 | |
| 50. | Robert Lerman | 110 | 264.0 | 1950 | |
| Donald Walker | 110 | 248.0 | 1947 | ||
| 52. | Joshua Cook | 109 | 271.3 | 1950 | |
| Edward Rivero | 109 | 241.7 | 1950 | ||
| Mark Grigsby | 109 | 176.3 | 1949 | ||
| Andrew Strine | 109 | 207.7 | 1947 | ||
| 56. | Robert Evatt | 108 | 231.0 | 1950 | |
| Albert Vogel | 108 | 222.7 | 1950 | ||
| Daniel Elliott | 108 | 263.3 | 1949 | ||
| Daniel Elliott | 108 | 247.0 | 1947 | ||
| 60. | James Kline | 107 | 230.0 | 1949 | |
| Kendry Lizarraga | 107 | 254.3 | 1948 | ||
| 62. | Scott Hornsby | 106 | 247.7 | 1950 | |
| James Bury | 106 | 224.0 | 1949 | ||
| Daniel Elliott | 106 | 261.0 | 1948 | ||
| Dwight Roesch | 106 | 247.7 | 1947 | ||
| 66. | Dwight Roesch | 105 | 260.3 | 1950 | |
| Stephen McMaster | 105 | 249.3 | 1950 | ||
| John Clontz | 105 | 211.0 | 1950 | ||
| Andrew Tarpley | 105 | 196.3 | 1950 | ||
| Gary Smith | 105 | 253.7 | 1949 | ||
| Gary Smith | 105 | 258.3 | 1947 | ||
| Albert Vogel | 105 | 252.3 | 1947 | ||
| Frank Cowan | 105 | 217.3 | 1947 | ||
| 74. | Joshua Cook | 104 | 258.0 | 1948 | |
| James Bury | 104 | 246.3 | 1948 | ||
| Carlos Camuņas | 104 | 204.7 | 1948 | ||
| Edward Pires | 104 | 204.0 | 1947 | ||
| 78. | Celso Ocejo | 103 | 230.0 | 1950 | |
| Jon Eaton | 103 | 202.3 | 1949 | ||
| Jesse Nelson | 103 | 217.7 | 1948 | ||
| John Clontz | 103 | 167.0 | 1948 | ||
| Marvin Shope | 103 | 258.3 | 1947 | ||
| Boyce Coplin | 103 | 256.0 | 1947 | ||
| 84. | Boyce Coplin | 101 | 215.7 | 1949 | |
| John Clontz | 101 | 173.0 | 1949 | ||
| Paul Bravo | 101 | 249.0 | 1947 | ||
| Tommie Guernsey | 101 | 239.3 | 1947 | ||
| Cesar Solis | 101 | 194.0 | 1947 | ||
| 89. | Justin Smith | 100 | 261.0 | 1950 | |
| Abel Longoria | 100 | 235.0 | 1950 | ||
| Leonard Orcutt | 100 | 200.0 | 1950 | ||
| Justin Smith | 100 | 232.3 | 1949 | ||
| Joshua Cook | 100 | 255.3 | 1947 | ||
| Stephen McMaster | 100 | 244.3 | 1947 | ||
| 95. | Roger Kirwan | 99 | 253.0 | 1950 | |
| Carl Bronson | 99 | 209.7 | 1950 | ||
| Carlos Pacheco | 99 | 233.7 | 1949 | ||
| Edward Pires | 99 | 200.7 | 1948 | ||
| Brent Spencer | 99 | 182.7 | 1947 | ||
| 100. | Carlos Pacheco | 98 | 273.7 | 1947 |
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