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| Single-Season Walks Allowed Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Walks Allowed | IP | Year | Career Leaderboard |
| 1. | Deolis Guerra | 160 | 230.7 | 2024 | |
| 2. | Keith Gayden | 148 | 238.7 | 2023 | |
| 3. | Brien Taylor | 146 | 229.3 | 2021 | |
| 4. | Daisuke Matsuzaka | 144 | 267.0 | 2007 | |
| 5. | Keith Gayden | 141 | 259.0 | 2022 | |
| 6. | Gio Gonzalez | 138 | 230.7 | 2024 | |
| 7. | Carlos Marmol | 137 | 220.3 | 2022 | |
| 8. | Macay McBride | 136 | 197.7 | 2017 | |
| 9. | Deolis Guerra | 132 | 238.3 | 2025 | |
| 10. | Deolis Guerra | 131 | 212.3 | 2026 | |
| Jesse English | 131 | 188.7 | 2016 | ||
| Roy Collum | 131 | 163.0 | 2014 | ||
| 13. | David Gurrola | 130 | 238.0 | 2024 | |
| David Bush | 130 | 219.0 | 2012 | ||
| 15. | Mike Pelfrey | 127 | 244.0 | 2018 | |
| Justin Verlander | 127 | 246.3 | 2016 | ||
| Jesse Foppert | 127 | 261.7 | 2013 | ||
| Josh Banks | 127 | 223.0 | 2013 | ||
| Kerry Wood | 127 | 232.3 | 2006 | ||
| Carlos Zambrano | 127 | 216.3 | 2004 | ||
| 21. | Deolis Guerra | 126 | 227.7 | 2027 | |
| Javier Martin | 126 | 236.3 | 2017 | ||
| Brien Taylor | 126 | 223.7 | 2015 | ||
| Brien Taylor | 126 | 207.0 | 2013 | ||
| Blake Johnson | 126 | 184.3 | 2011 | ||
| 26. | Jeff Weaver | 125 | 239.3 | 2013 | |
| 27. | David Gurrola | 124 | 233.0 | 2026 | |
| Gio Gonzalez | 124 | 230.0 | 2025 | ||
| Brien Taylor | 124 | 218.0 | 2017 | ||
| Josh Banks | 124 | 223.3 | 2014 | ||
| Blake Johnson | 124 | 207.0 | 2013 | ||
| 32. | Carlos Marmol | 123 | 187.0 | 2023 | |
| Sam Norris | 123 | 255.7 | 2019 | ||
| Mike Pelfrey | 123 | 248.0 | 2019 | ||
| Kerry Wood | 123 | 202.0 | 2011 | ||
| 36. | David Bush | 122 | 213.7 | 2015 | |
| 37. | Brien Taylor | 120 | 235.0 | 2014 | |
| Hong-Chih Kuo | 120 | 235.0 | 2013 | ||
| Daisuke Matsuzaka | 120 | 256.3 | 2010 | ||
| Kerry Wood | 120 | 202.7 | 2004 | ||
| 41. | Brien Taylor | 119 | 200.7 | 2016 | |
| 42. | Javier Camacho | 118 | 186.3 | 2020 | |
| Kim Williams | 118 | 204.3 | 2016 | ||
| 44. | David Gurrola | 117 | 242.0 | 2025 | |
| Scott Kazmir | 117 | 168.0 | 2006 | ||
| 46. | David Gurrola | 116 | 230.7 | 2023 | |
| Carlos Marmol | 116 | 217.0 | 2021 | ||
| A.J. Burnett | 116 | 220.3 | 2004 | ||
| 49. | Kevin Corson | 115 | 257.7 | 2017 | |
| C.C. Sabathia | 115 | 203.0 | 2017 | ||
| David Bush | 115 | 229.3 | 2010 | ||
| Josh Banks | 115 | 221.0 | 2009 | ||
| Carlos Zambrano | 115 | 207.7 | 2007 | ||
| Bobby Jenks | 115 | 176.3 | 2007 | ||
| 55. | Kurt Hasegawa | 114 | 188.7 | 2023 | |
| Kevin Corson | 114 | 239.0 | 2019 | ||
| Brien Taylor | 114 | 242.7 | 2018 | ||
| 58. | Brad Pennington | 113 | 161.7 | 2027 | |
| Hong-Chih Kuo | 113 | 269.0 | 2012 | ||
| Colt Griffin | 113 | 199.0 | 2012 | ||
| Homer Bailey | 113 | 212.7 | 2011 | ||
| Kirk Saarloos | 113 | 223.3 | 2006 | ||
| 63. | Evelio Toscano | 112 | 218.7 | 2026 | |
| Joe Niekro Jr. | 112 | 179.3 | 2021 | ||
| Kevin Corson | 112 | 233.7 | 2018 | ||
| Adriano Rosario | 112 | 206.3 | 2018 | ||
| Scott Kazmir | 112 | 183.3 | 2015 | ||
| Homer Bailey | 112 | 236.7 | 2013 | ||
| 69. | Kevin Corson | 111 | 222.7 | 2021 | |
| Ryan Ward | 111 | 188.3 | 2020 | ||
| Justin Verlander | 111 | 243.7 | 2017 | ||
| Jay Sborz | 111 | 227.0 | 2011 | ||
| Bobby Jenks | 111 | 152.7 | 2008 | ||
| 74. | Kurt Hasegawa | 110 | 184.0 | 2021 | |
| Joe Niekro Jr. | 110 | 228.0 | 2020 | ||
| Ruben Ciprian | 110 | 183.7 | 2020 | ||
| Adriano Rosario | 110 | 193.7 | 2019 | ||
| Scott Kazmir | 110 | 177.3 | 2014 | ||
| 79. | Ruben Ciprian | 109 | 185.3 | 2021 | |
| Roy Collum | 109 | 199.0 | 2019 | ||
| Mike Pelfrey | 109 | 250.3 | 2017 | ||
| Stanley Lowe | 109 | 210.0 | 2015 | ||
| David Medina | 109 | 203.3 | 2013 | ||
| Josh Banks | 109 | 238.7 | 2012 | ||
| 85. | Sam Norris | 108 | 241.0 | 2020 | |
| Javier Martin | 108 | 244.7 | 2016 | ||
| Yu Darvish | 108 | 225.7 | 2014 | ||
| Josh Banks | 108 | 232.3 | 2011 | ||
| Daisuke Matsuzaka | 108 | 254.3 | 2009 | ||
| Kerry Wood | 108 | 207.0 | 2007 | ||
| Josh Beckett | 108 | 249.7 | 2004 | ||
| 92. | David Gurrola | 107 | 213.3 | 2027 | |
| Yu Darvish | 107 | 209.3 | 2021 | ||
| Allen Watson | 107 | 161.7 | 2019 | ||
| Kevin Corson | 107 | 235.7 | 2015 | ||
| Blake Johnson | 107 | 199.0 | 2015 | ||
| 97. | Javier Martin | 106 | 179.3 | 2027 | |
| Nick Pereira | 106 | 235.7 | 2023 | ||
| Javier Martin | 106 | 242.3 | 2022 | ||
| Cliff Henry | 106 | 194.7 | 2021 | ||
| Rick Hummel * | 106 | 277.0 | 2014 | ||
| Blake Johnson | 106 | 188.3 | 2014 | ||
| Zack Duke | 106 | 300.0 | 2013 | ||
| Phil Dumatrait | 106 | 204.7 | 2013 | ||
| 105. | Hans Patin | 105 | 224.0 | 2027 | |
| James Thornton | 105 | 210.7 | 2027 | ||
| Omar Armendariz | 105 | 229.3 | 2026 | ||
| Connie Letson | 105 | 166.3 | 2020 | ||
| Clint Brannon | 105 | 197.0 | 2017 | ||
| Justin Orenduff | 105 | 204.7 | 2010 | ||
| Curt Schilling | 105 | 287.3 | 2004 | ||
| Hideo Nomo | 105 | 196.7 | 2004 | ||
| 113. | Brien Taylor | 104 | 218.3 | 2023 | |
| Kurt Hasegawa | 104 | 203.3 | 2022 | ||
| Warren Rancourt | 104 | 194.7 | 2020 | ||
| Ervin Santana | 104 | 175.3 | 2019 | ||
| Allen Watson | 104 | 127.7 | 2018 | ||
| Blake Johnson | 104 | 180.7 | 2016 | ||
| Mike Pelfrey | 104 | 243.0 | 2013 | ||
| Fernando Rodney | 104 | 193.0 | 2008 | ||
| Carlos Zambrano | 104 | 182.0 | 2005 | ||
| Rich Harden | 104 | 183.0 | 2004 | ||
| 123. | Bryan Littrell | 103 | 210.3 | 2027 | |
| Leo Gomez | 103 | 217.0 | 2026 | ||
| Brad Pennington | 103 | 170.7 | 2024 | ||
| Miguel Dardar | 103 | 167.3 | 2023 | ||
| Connie Letson | 103 | 162.7 | 2019 | ||
| Kevin Corson | 103 | 237.3 | 2014 | ||
| Homer Bailey | 103 | 194.3 | 2014 | ||
| Fernando Rodney | 103 | 178.3 | 2013 | ||
| David Bush | 103 | 181.0 | 2011 | ||
| David Bush | 103 | 183.0 | 2005 | ||
| 133. | Brad Pennington | 102 | 181.0 | 2025 | |
| Gio Gonzalez | 102 | 204.3 | 2023 | ||
| Chad Billingsley | 102 | 180.3 | 2021 | ||
| Keith Gayden | 102 | 147.3 | 2021 | ||
| Blake Johnson | 102 | 160.7 | 2018 | ||
| Mike Pelfrey | 102 | 232.7 | 2016 | ||
| Daisuke Matsuzaka | 102 | 225.0 | 2015 | ||
| Jesse Foppert | 102 | 226.7 | 2012 | ||
| John Vanbenschoten | 102 | 221.0 | 2012 | ||
| 142. | Ryan Doney | 101 | 212.0 | 2025 | |
| Yu Darvish | 101 | 209.7 | 2022 | ||
| Joe Niekro Jr. | 101 | 171.3 | 2022 | ||
| Robert Smith | 101 | 135.0 | 2022 | ||
| Javier Martin | 101 | 201.7 | 2018 | ||
| Yu Darvish | 101 | 207.3 | 2017 | ||
| John Vanbenschoten | 101 | 227.3 | 2016 | ||
| Kevin Corson | 101 | 217.3 | 2016 | ||
| Wade Miller | 101 | 200.3 | 2011 |
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