| Home | Players | Teams | Leagues | Managers | Leaderboards | Win Shares | Awards | Help | |
| Career Losses Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Losses | IP | Years | Single Season Leaderboard |
| 1. | Skip Burns | 206 | 4027.6 | 2001-2020 | |
| 2. | Scott Bartell | 202 | 4101.3 | 2003-2021 | |
| 3. | Hugh Hoots | 194 | 3766.6 | 2002-2018 | |
| 4. | Gregory Hart | 190 | 2858.3 | 2000-2012 | |
| 5. | David Echegaray | 189 | 4812.6 | 2003-2026 | |
| 6. | Jamie Agee | 185 | 3207.3 | 2005-2021 | |
| 7. | Steven Williams * | 184 | 3524.0 | 2002-2017 | |
| Richard Hirsh | 184 | 3209.9 | 2000-2012 | ||
| 9. | Abraham Grayston | 182 | 3311.3 | 2006-2022 | |
| 10. | Dennis Morelock * | 175 | 4013.6 | 2003-2017 | |
| 11. | Albert Olmos | 174 | 3489.6 | 2000-2014 | |
| 12. | Robert Silvera | 172 | 2350.0 | 2015-2028 | |
| 13. | Jeffrey Cargo | 169 | 2881.3 | 2000-2011 | |
| 14. | Jose Langlois | 166 | 3377.9 | 2004-2020 | |
| 15. | Mark Trowers | 164 | 3535.9 | 2010-2025 | |
| Donte Dasilva | 164 | 3018.0 | 2003-2017 | ||
| 17. | Arthur Cheung | 162 | 2483.0 | 2002-2015 | |
| 18. | Xavier Josephs | 160 | 2994.6 | 2003-2018 | |
| 19. | Robert Slack | 159 | 2725.3 | 2006-2020 | |
| 20. | Jeeves Vanhooten | 158 | 3186.9 | 2000-2014 | |
| 21. | Thomas Showers * | 156 | 3348.0 | 2000-2013 | |
| 22. | Soutarou Seika | 155 | 2673.9 | 2015-2028 | |
| 23. | Derek Host | 154 | 2628.0 | 2012-2026 | |
| 24. | Leon Collins | 152 | 2526.3 | 2015-2027 | |
| Russell Hults | 152 | 2887.3 | 2005-2020 | ||
| Gene Foxworth | 152 | 2256.6 | 2001-2012 | ||
| Christopher Kearns | 152 | 2471.0 | 2000-2010 | ||
| 28. | Bruce Sikes | 150 | 2269.0 | 2017-2029 | |
| 29. | Scott Dutton | 149 | 2324.9 | 2011-2025 | |
| Ridge Thompson | 149 | 2447.6 | 2006-2020 | ||
| Joe O'Malley | 149 | 2718.6 | 2003-2016 | ||
| 32. | Humberto Deleon | 148 | 3174.9 | 2014-2029 | |
| James Yim * | 148 | 4445.9 | 2003-2021 | ||
| Rusty Skittles | 148 | 2706.3 | 2007-2020 | ||
| Osvaldo Pedraza | 148 | 3311.0 | 2003-2017 | ||
| Ramon Quintana | 148 | 2180.3 | 2000-2013 | ||
| 37. | Matthew Bedard | 146 | 2565.3 | 2004-2015 | |
| 38. | Ronaldo Laguna | 144 | 2574.0 | 2017-2029 | |
| Fred McFinn | 144 | 2353.6 | 2013-2025 | ||
| Jack Eldredge | 144 | 2352.9 | 2006-2019 | ||
| Thomas Maurer | 144 | 2171.9 | 2001-2012 | ||
| 42. | Paul Knutson | 143 | 2506.3 | 2005-2018 | |
| Robert Seaborn | 143 | 2156.3 | 2002-2014 | ||
| 44. | Tobias Escobar | 140 | 2817.9 | 2006-2019 | |
| Emeril Loux | 140 | 2540.0 | 2004-2018 | ||
| Lucas Lara | 140 | 2535.0 | 2004-2017 | ||
| 47. | Dirk Carr | 138 | 2559.3 | 2007-2019 | |
| Alfred Marenco | 138 | 2677.0 | 2005-2016 | ||
| Mark Torrence | 138 | 2896.3 | 2002-2015 | ||
| 50. | Russ Gobbler | 137 | 2781.6 | 2016-2029 | |
| John Andujar | 137 | 2299.3 | 2018-2029 | ||
| Charlie Hester | 137 | 2308.3 | 2017-2028 | ||
| Armand Banuelos | 137 | 3088.0 | 2000-2012 | ||
| 54. | Edgardo Castillo * | 136 | 3758.6 | 2001-2018 | |
| Ringo Russmyer | 136 | 2224.0 | 2007-2018 | ||
| 56. | Walter Piccirillo | 135 | 2410.3 | 2015-2029 | |
| Artur Sax | 135 | 2590.6 | 2013-2025 | ||
| 58. | Tony Kirkland | 133 | 2110.3 | 2015-2027 | |
| John Munson | 133 | 2152.3 | 2016-2026 | ||
| 60. | Higinio Delmonte | 132 | 3025.3 | 2014-2029 | |
| Bobby Williams | 132 | 2170.3 | 2019-2029 | ||
| Gary Simmons | 132 | 2262.6 | 2017-2028 | ||
| Toney Morales | 132 | 2297.6 | 2006-2019 | ||
| J.J. Cobb | 132 | 3210.6 | 2000-2014 | ||
| Benjamin Alcala | 132 | 2609.6 | 2000-2014 | ||
| 66. | Benicio Andaverde | 131 | 2653.3 | 2016-2029 | |
| Damien Holcombe | 131 | 2356.6 | 2008-2019 | ||
| 68. | Chet McKie | 130 | 2146.0 | 2013-2023 | |
| Lowell Stang * | 130 | 2987.9 | 2007-2021 | ||
| 70. | Christopher Paladino | 129 | 1649.0 | 2010-2019 | |
| 71. | Kazuma Sen | 128 | 2533.0 | 2016-2028 | |
| Ben Lamela | 128 | 3342.6 | 2008-2025 | ||
| Samson Steele * | 128 | 2596.0 | 2000-2011 | ||
| 74. | Jonas Cardenas | 127 | 1807.0 | 2017-2029 | |
| Dennis Wright * | 127 | 3380.6 | 2001-2014 | ||
| 76. | Al West | 126 | 2725.6 | 2017-2029 | |
| Dustin Carrasquillo | 126 | 2135.3 | 2000-2010 | ||
| 78. | Wayne Rossignol | 124 | 1569.0 | 2016-2029 | |
| Theodore Tonti | 124 | 1676.0 | 2013-2021 | ||
| Paul Wendler | 124 | 2332.6 | 2002-2015 | ||
| Randy Kennedy | 124 | 2598.6 | 2000-2010 | ||
| 82. | Darius Wells | 123 | 2622.6 | 2015-2029 | |
| Franky Saez | 123 | 1715.0 | 2012-2023 | ||
| Kelvin Palen | 123 | 2641.3 | 2000-2010 | ||
| 85. | Roger Morrison | 121 | 2573.6 | 2002-2013 | |
| Ferdinand Lueras | 121 | 2187.3 | 2000-2010 | ||
| Malik Meng | 121 | 2438.6 | 2000-2009 | ||
| 88. | Patrido Pabtojas | 120 | 1622.0 | 2022-2029 | |
| Mickey Colt | 120 | 1537.3 | 2012-2022 | ||
| Mario Bloodworth | 120 | 1343.0 | 2009-2020 | ||
| 91. | Keith Davy | 119 | 1567.6 | 2022-2029 | |
| 92. | Joseph Clark | 117 | 1745.0 | 2014-2028 | |
| Richard Thornton | 117 | 1866.0 | 2004-2013 | ||
| 94. | James Alexander | 116 | 2806.6 | 2011-2026 | |
| William Bennington | 116 | 2129.6 | 2003-2014 | ||
| 96. | Carlos Horizon | 115 | 2301.0 | 2020-2029 | |
| Robert Harris | 115 | 1973.0 | 2011-2023 | ||
| Randall Spates | 115 | 2129.3 | 2006-2018 | ||
| Robert Ford | 115 | 1994.0 | 2000-2010 | ||
| 100. | Barney Albuerne | 114 | 2324.6 | 2015-2029 |
| For questions or to report errors, please send us a note. |