| 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. | Ike Delock | 257 | 4397.3 | 1954-1968 | |
| 2. | Joe Moeller * | 255 | 5363.9 | 1964-1982 | |
| Paul Foytack | 255 | 4625.0 | 1954-1969 | ||
| 4. | Steve Carlton * | 254 | 5061.3 | 1965-1984 | |
| 5. | Billy Hoeft | 245 | 5189.3 | 1952-1970 | |
| 6. | Don Drysdale | 243 | 4899.3 | 1956-1973 | |
| Ralph Terry | 243 | 4245.0 | 1956-1972 | ||
| 8. | Bob Friend | 234 | 5347.3 | 1951-1968 | |
| 9. | Johnny Antonelli | 226 | 5078.3 | 1948-1964 | |
| Russ Bauers | 226 | 4599.3 | 1936-1950 | ||
| 11. | Van Mungo | 222 | 4392.3 | 1931-1947 | |
| 12. | Sandy Koufax * | 218 | 5494.2 | 1955-1975 | |
| Johnny Rigney | 218 | 4316.6 | 1937-1952 | ||
| 14. | Jon Matlack | 217 | 3352.6 | 1971-1984 | |
| Dean Chance | 217 | 4483.3 | 1961-1978 | ||
| Larry French | 217 | 4157.6 | 1930-1944 | ||
| 17. | Danny Macfayden | 216 | 4236.6 | 1930-1944 | |
| 18. | Dizzy Dean * | 214 | 5045.9 | 1930-1946 | |
| Bobo Newsom | 214 | 4229.6 | 1930-1943 | ||
| 20. | Cliff Fannin | 213 | 3381.3 | 1945-1959 | |
| 21. | Mike Garcia | 211 | 3944.3 | 1948-1962 | |
| 22. | Johnny Vander Meer | 208 | 4165.3 | 1937-1953 | |
| 23. | Bert Blyleven | 207 | 3462.0 | 1972-1987 | |
| Dutch Leonard | 207 | 3365.6 | 1933-1944 | ||
| 25. | Joey Jay | 206 | 3211.3 | 1953-1968 | |
| 26. | Chuck Stobbs * | 205 | 7022.6 | 1947-1968 | |
| 27. | Jim Kaat | 204 | 4005.3 | 1959-1975 | |
| Johnny Sain | 204 | 3609.6 | 1942-1956 | ||
| 29. | Jerry Reuss | 202 | 4349.6 | 1969-1986 | |
| 30. | Lefty Gomez | 200 | 3689.3 | 1930-1945 | |
| 31. | Curt Simmons | 198 | 3554.9 | 1947-1965 | |
| Warren Spahn * | 198 | 5851.6 | 1944-1960 | ||
| 33. | Billy Pierce | 197 | 4514.6 | 1948-1964 | |
| Walt Masterson | 197 | 3778.6 | 1941-1959 | ||
| 35. | Gus Keriazakos | 196 | 3741.9 | 1952-1970 | |
| 36. | Joe Dobson | 195 | 3658.3 | 1939-1954 | |
| 37. | Mickey Lolich | 193 | 3324.0 | 1963-1976 | |
| 38. | Kent Peterson | 192 | 4602.3 | 1945-1964 | |
| 39. | Nolan Ryan | 191 | 3315.3 | 1966-1984 | |
| Leo Kiely | 191 | 3966.9 | 1951-1967 | ||
| 41. | Masanori Murakami | 190 | 3859.3 | 1964-1980 | |
| 42. | Bob Gibson | 188 | 3064.0 | 1959-1973 | |
| 43. | Fergie Jenkins | 187 | 2871.6 | 1965-1979 | |
| Gene Conley * | 187 | 5393.3 | 1952-1969 | ||
| Ray Herbert | 187 | 3394.9 | 1952-1966 | ||
| Vito Tamulis | 187 | 3982.0 | 1934-1947 | ||
| 47. | Bill Singer | 186 | 3299.6 | 1964-1977 | |
| Ed Hanyzewski | 186 | 2535.3 | 1942-1956 | ||
| 49. | Dick Selma | 185 | 2703.6 | 1965-1980 | |
| 50. | Tug McGraw | 181 | 3032.0 | 1965-1981 | |
| Hal Newhouser | 181 | 2788.0 | 1939-1954 | ||
| 52. | Dick Drott | 180 | 2845.9 | 1959-1974 | |
| 53. | Bob Chipman | 178 | 3095.6 | 1942-1956 | |
| 54. | Joe Haynes | 177 | 4238.9 | 1940-1955 | |
| 55. | Herb Score | 176 | 4473.9 | 1955-1971 | |
| Karl Spooner | 176 | 3801.9 | 1954-1970 | ||
| Al Javery | 176 | 2959.6 | 1940-1953 | ||
| 58. | Robin Roberts | 175 | 3984.0 | 1948-1962 | |
| Howie Pollet | 175 | 3424.9 | 1941-1958 | ||
| 60. | Ernie White | 174 | 4333.3 | 1940-1956 | |
| 61. | Milt Wilcox | 173 | 3447.9 | 1971-1987 | |
| 62. | Ken Heintzelman | 172 | 2762.6 | 1939-1951 | |
| George Blaeholder | 172 | 3848.3 | 1930-1942 | ||
| 64. | Frank Tanana | 171 | 3540.0 | 1973-1988 | |
| 65. | John Gelnar | 170 | 3690.6 | 1966-1981 | |
| Jim Maloney | 170 | 3052.9 | 1961-1977 | ||
| Frank Baumann | 170 | 3186.0 | 1958-1971 | ||
| Don Larsen | 170 | 2619.3 | 1953-1968 | ||
| 69. | Dennis Eckersley | 169 | 3236.3 | 1975-1990 | |
| Rick Reuschel | 169 | 3686.6 | 1972-1986 | ||
| Don Sutton | 169 | 3894.3 | 1966-1982 | ||
| 72. | Gaylord Perry | 168 | 2737.6 | 1962-1972 | |
| Ted Gray | 168 | 3358.6 | 1947-1963 | ||
| Preacher Roe | 168 | 3233.6 | 1938-1951 | ||
| 75. | Rollie Fingers | 167 | 3404.6 | 1968-1984 | |
| Tom Qualters | 167 | 3989.9 | 1954-1973 | ||
| Gary Peters | 167 | 3341.6 | 1959-1972 | ||
| Carl Scheib | 167 | 3309.6 | 1951-1962 | ||
| Joe Nuxhall | 167 | 2672.0 | 1945-1958 | ||
| Earl Johnson * | 167 | 4971.9 | 1940-1957 | ||
| 81. | Jim O'Toole | 166 | 4279.3 | 1958-1973 | |
| Bill Hallahan | 166 | 2793.0 | 1930-1939 | ||
| 83. | Claude Passeau | 164 | 2696.3 | 1935-1948 | |
| 84. | John Denny | 163 | 3757.6 | 1975-1990 | |
| Bobby Shantz | 163 | 2726.0 | 1949-1962 | ||
| Cy Blanton | 163 | 2699.3 | 1934-1944 | ||
| 87. | Marius Russo | 162 | 3270.0 | 1939-1952 | |
| 88. | Dick Ruthven | 161 | 3156.6 | 1974-1988 | |
| Jim Brewer * | 161 | 3971.3 | 1960-1977 | ||
| Don Newcombe | 161 | 3417.3 | 1949-1963 | ||
| Ralph Winegarner | 161 | 3917.3 | 1933-1947 | ||
| 92. | Mike Norris | 160 | 3199.3 | 1977-1990 | |
| 93. | Danny Darwin | 159 | 2718.6 | 1978-1990 | |
| La Marr Hoyt | 159 | 2570.3 | 1979-1990 | ||
| Alan Foster | 159 | 2906.3 | 1971-1983 | ||
| Milt Pappas | 159 | 2488.9 | 1958-1970 | ||
| Stubby Overmire | 159 | 3890.3 | 1943-1957 | ||
| Cliff Melton * | 159 | 3729.6 | 1937-1949 | ||
| 99. | Ed Head | 158 | 2688.0 | 1940-1956 | |
| Ray Scarborough | 158 | 2857.9 | 1942-1955 | ||
| Bill Sayles | 158 | 2124.0 | 1939-1951 | ||
| 102. | Gary Nolan * | 157 | 3926.9 | 1970-1987 | |
| Pat Malone | 157 | 3464.6 | 1930-1941 | ||
| 104. | Eduardo Rodriguez | 156 | 3773.0 | 1974-1990 | |
| Billy McCool | 156 | 2417.6 | 1964-1981 | ||
| 106. | Ralph Lumenti | 155 | 2781.0 | 1960-1975 | |
| Tony Cloninger | 155 | 2389.0 | 1965-1975 | ||
| 108. | Dave Boswell | 154 | 2578.3 | 1965-1982 | |
| Camilo Pascual | 154 | 2222.3 | 1954-1969 | ||
| Russ Meyer | 154 | 2705.0 | 1946-1959 | ||
| Ralph Birkofer | 154 | 3339.3 | 1933-1945 | ||
| 112. | Wes Ferrell | 153 | 3051.6 | 1930-1942 | |
| 113. | Dave Ferriss | 151 | 2979.3 | 1945-1958 | |
| Red Munger | 151 | 2183.6 | 1943-1955 | ||
| Paul Dean * | 151 | 4012.3 | 1934-1948 | ||
| Dan Dugan | 151 | 2516.3 | 1930-1944 | ||
| Roy Mahaffey | 151 | 2522.3 | 1930-1940 | ||
| 118. | Dick Drago | 150 | 3324.9 | 1969-1984 | |
| Danny Frisella | 150 | 2516.6 | 1968-1982 | ||
| Joe Coleman | 150 | 2792.3 | 1968-1980 | ||
| Bob Miller | 150 | 3445.6 | 1949-1964 | ||
| Jack Kramer | 150 | 2332.0 | 1942-1956 | ||
| 123. | Bill Swift * | 149 | 3526.3 | 1933-1943 | |
| 124. | Britt Burns | 148 | 2066.0 | 1979-1990 | |
| Hugh Mulcahy | 148 | 3000.6 | 1940-1951 | ||
| 126. | Dick Baney | 147 | 2622.6 | 1972-1984 | |
| Danny McDevitt | 147 | 2932.6 | 1957-1969 | ||
| Bill Voiselle | 147 | 2395.9 | 1942-1954 | ||
| 129. | Johnny Broaca | 146 | 2715.6 | 1934-1947 | |
| Clay Bryant | 146 | 2650.6 | 1935-1946 | ||
| 131. | Bill Lee | 145 | 2689.3 | 1969-1984 | |
| Phil Niekro | 145 | 2036.6 | 1964-1975 | ||
| Tommy Hughes | 145 | 2916.9 | 1944-1958 | ||
| Tommy Bridges | 145 | 2403.6 | 1930-1941 | ||
| 135. | Ramon Monzant | 144 | 3002.0 | 1956-1970 | |
| Whit Wyatt | 144 | 3119.6 | 1930-1940 | ||
| Roy Moore | 144 | 2485.0 | 1930-1937 | ||
| 138. | Roy Thomas | 143 | 2260.3 | 1977-1989 | |
| Joe Horlen | 143 | 2760.6 | 1963-1972 | ||
| Ryne Duren | 143 | 2441.6 | 1954-1965 | ||
| Fred Hutchinson | 143 | 3098.3 | 1940-1956 | ||
| 142. | George Lauzerique | 141 | 2996.3 | 1970-1985 | |
| Charley Schanz | 141 | 2637.6 | 1944-1955 | ||
| Carl Hubbell | 141 | 2809.9 | 1930-1940 | ||
| 145. | Bob Knepper | 140 | 2573.0 | 1976-1990 | |
| J.R. Richard * | 140 | 3671.6 | 1971-1988 | ||
| Rick Wise | 140 | 2524.6 | 1964-1982 | ||
| George Brunet | 140 | 3678.6 | 1958-1972 | ||
| Red Swanson | 140 | 2234.3 | 1960-1972 | ||
| Rip Sewell | 140 | 2114.6 | 1932-1938 | ||
| 151. | Mort Cooper | 139 | 2694.3 | 1938-1947 | |
| Ted Lyons | 139 | 2989.7 | 1930-1938 | ||
| 153. | Frank Maccormack | 138 | 2225.6 | 1978-1989 | |
| Al Jackson | 138 | 2660.9 | 1959-1974 | ||
| Dave Wickersham | 138 | 2316.6 | 1961-1971 | ||
| Butch Wensloff | 138 | 2318.0 | 1943-1953 | ||
| Frank Barrett | 138 | 2325.0 | 1939-1951 | ||
| Ray Benge | 138 | 2589.3 | 1930-1939 | ||
| 159. | Juan Marichal * | 137 | 3955.6 | 1961-1973 | |
| Don Nottebart | 137 | 2759.6 | 1960-1972 | ||
| Monte Pearson | 137 | 3331.3 | 1933-1945 | ||
| 162. | Floyd Bannister | 136 | 2332.6 | 1979-1990 | |
| Dick Ellsworth | 136 | 2517.3 | 1958-1974 | ||
| Red Embree | 136 | 3097.6 | 1943-1954 | ||
| Schoolboy Rowe | 136 | 2717.6 | 1934-1944 | ||
| 166. | Manny Sarmiento | 135 | 2348.0 | 1978-1990 | |
| Mike Marshall | 135 | 2884.3 | 1967-1979 | ||
| Steve Hargan | 135 | 2786.0 | 1966-1979 | ||
| Harvey Haddix | 135 | 2589.0 | 1952-1963 | ||
| 170. | Don Demola | 134 | 3345.6 | 1976-1990 | |
| Ed Halicki | 134 | 2535.6 | 1974-1989 | ||
| Joe Sambito | 134 | 2406.3 | 1976-1987 | ||
| Jim York | 134 | 2806.6 | 1970-1984 | ||
| John Morris | 134 | 2477.3 | 1966-1980 | ||
| Joe Hoerner | 134 | 2836.0 | 1963-1976 | ||
| Lefty Grove | 134 | 2757.6 | 1930-1938 | ||
| 177. | Bill Slayback | 133 | 2934.3 | 1972-1984 | |
| Ken Reynolds | 133 | 2158.3 | 1972-1983 | ||
| 179. | Denny McLain | 132 | 2567.0 | 1963-1979 | |
| 180. | Jerry Koosman | 131 | 2361.0 | 1967-1978 | |
| Ken Sanders | 131 | 1873.3 | 1964-1976 | ||
| Howie Nunn | 131 | 2499.3 | 1959-1973 | ||
| Lon Warneke | 131 | 2067.6 | 1930-1942 | ||
| 184. | Charlie Beamon | 130 | 2685.6 | 1958-1972 | |
| Russ Kemmerer | 130 | 2007.0 | 1954-1968 | ||
| Hersh Freeman | 130 | 2339.0 | 1952-1964 | ||
| Max Lanier | 130 | 3291.3 | 1938-1951 | ||
| Tex Carleton | 130 | 2001.0 | 1932-1942 | ||
| 189. | Mark Littell | 129 | 1755.3 | 1973-1990 | |
| Bob Apodaca | 129 | 2214.6 | 1973-1986 | ||
| Bob Reynolds | 129 | 2052.3 | 1969-1981 | ||
| 192. | Dave Geisel | 128 | 2349.3 | 1978-1990 | |
| Murry Dickson | 128 | 2132.6 | 1940-1951 | ||
| 194. | Tom Underwood | 127 | 3093.7 | 1977-1990 | |
| Bart Johnson | 127 | 3056.6 | 1975-1986 | ||
| Dave Laroche | 127 | 2738.6 | 1970-1984 | ||
| Tom Seaver | 127 | 2925.0 | 1967-1980 | ||
| Sam McDowell | 127 | 1993.6 | 1961-1980 | ||
| Bill Stoneman | 127 | 2388.6 | 1968-1979 | ||
| Stu Miller | 127 | 2799.3 | 1952-1963 | ||
| 201. | Kevin Kobel | 126 | 2326.9 | 1974-1989 | |
| Eddie Fisher | 126 | 2202.3 | 1961-1972 | ||
| Dick Donovan | 126 | 2592.3 | 1950-1962 | ||
| Jack Salveson | 126 | 2992.0 | 1940-1951 | ||
| 205. | Lary Sorensen | 125 | 2702.0 | 1977-1990 | |
| Don Stanhouse | 125 | 2193.6 | 1974-1988 | ||
| Tommy John | 125 | 2350.3 | 1963-1977 | ||
| Joe Presko | 125 | 3165.3 | 1954-1967 | ||
| Joe Heving | 125 | 2185.0 | 1930-1938 | ||
| 210. | Mario Soto | 124 | 2242.0 | 1978-1990 | |
| Bob Veale | 124 | 2660.3 | 1962-1973 | ||
| 212. | Bill Gogolewski | 123 | 2136.9 | 1970-1981 | |
| Bill Wight | 123 | 3054.6 | 1947-1958 | ||
| Bob Logan | 123 | 2790.3 | 1937-1947 | ||
| 215. | Balor Moore | 122 | 2342.3 | 1974-1987 | |
| Cecil Butler | 122 | 2087.6 | 1963-1974 | ||
| Bob Feller | 122 | 1908.6 | 1937-1952 | ||
| Ed Baecht | 122 | 2720.3 | 1930-1943 | ||
| 219. | Jim Palmer | 121 | 2309.9 | 1967-1980 | |
| Dave Koslo | 121 | 2550.3 | 1941-1953 | ||
| Joe Krakauskas | 121 | 2459.3 | 1937-1948 | ||
| 222. | Larry Sherry | 120 | 2249.0 | 1958-1971 | |
| Jack Hallett | 120 | 2128.3 | 1940-1950 | ||
| Willis Hudlin | 120 | 2017.3 | 1930-1940 | ||
| 225. | John Montefusco | 119 | 2015.6 | 1975-1984 | |
| 226. | Willie Hernandez | 118 | 2798.6 | 1978-1990 | |
| Bill Landis | 118 | 2956.0 | 1965-1980 | ||
| Bud Daley | 118 | 2315.6 | 1958-1967 | ||
| Al Milnar | 118 | 1894.6 | 1936-1947 | ||
| Joe Bowman | 118 | 1788.3 | 1932-1946 | ||
| 231. | Bill Bonham | 117 | 1632.3 | 1972-1982 | |
| Dave Giusti | 117 | 2284.6 | 1962-1973 | ||
| Seth Morehead | 117 | 2429.6 | 1957-1969 | ||
| Newt Kimball | 117 | 2026.0 | 1939-1950 | ||
| Whitey Wilshere | 117 | 1936.6 | 1934-1947 | ||
| 236. | Jack Morris | 116 | 2004.6 | 1977-1986 | |
| Don Wilson | 116 | 1501.3 | 1969-1980 | ||
| Steve Hamilton | 116 | 2239.3 | 1961-1973 | ||
| Dizzy Trout | 116 | 2028.6 | 1939-1947 | ||
| 240. | Jesse Orosco | 115 | 1455.0 | 1979-1990 | |
| Vida Blue | 115 | 2366.3 | 1970-1982 | ||
| Dick Lemay | 115 | 2282.0 | 1964-1974 | ||
| Dean Stone | 115 | 2641.0 | 1954-1967 | ||
| 244. | Pascual Perez | 114 | 2062.0 | 1980-1990 | |
| Scott Sanderson | 114 | 2154.3 | 1979-1989 | ||
| Dave Pagan | 114 | 2237.6 | 1973-1987 | ||
| Mike Torrez | 114 | 2619.0 | 1971-1984 | ||
| Tippy Martinez | 114 | 2323.6 | 1974-1984 | ||
| Ken Johnson | 114 | 2136.0 | 1958-1964 | ||
| Allie Reynolds | 114 | 1500.0 | 1942-1951 | ||
| Harry Brecheen | 114 | 3009.3 | 1940-1950 | ||
| 252. | Fernando Arroyo | 113 | 2263.3 | 1977-1986 | |
| Jumbo Elliott | 113 | 2113.6 | 1930-1938 | ||
| 254. | Nino Espinosa | 112 | 2622.3 | 1979-1990 | |
| Bill Caudill | 112 | 2143.0 | 1979-1990 | ||
| Dennis Leonard | 112 | 2088.3 | 1974-1987 | ||
| Fred Lasher | 112 | 1755.3 | 1967-1978 | ||
| Pete Richert | 112 | 2253.7 | 1965-1975 | ||
| Dick Hall | 112 | 2215.6 | 1955-1968 | ||
| Early Wynn | 112 | 2136.6 | 1939-1954 | ||
| Harry Eisenstat | 112 | 2351.6 | 1936-1952 | ||
| Bill Lohrman | 112 | 1822.3 | 1934-1945 | ||
| 263. | Jim Beattie | 111 | 2240.0 | 1978-1990 | |
| Tom Hausman | 111 | 2348.3 | 1976-1988 | ||
| Bo McLaughlin | 111 | 2167.3 | 1976-1987 | ||
| Steve Kline | 111 | 2459.0 | 1970-1981 | ||
| Jack Billingham | 111 | 2185.3 | 1969-1977 | ||
| Moe Drabowsky | 111 | 1868.6 | 1958-1971 | ||
| Roger Bowman | 111 | 1935.3 | 1949-1962 | ||
| Ralph Branca | 111 | 1669.6 | 1944-1955 | ||
| Virgil Trucks | 111 | 1738.3 | 1941-1951 | ||
| 272. | Mike McQueen | 110 | 2147.6 | 1977-1987 | |
| Dave Goltz | 110 | 2244.6 | 1974-1984 | ||
| Bud Byerly | 110 | 2064.6 | 1944-1955 | ||
| Bucky Jacobs | 110 | 2181.6 | 1937-1948 | ||
| 276. | Mike Griffin | 109 | 2004.3 | 1979-1990 | |
| Jim Kern | 109 | 1772.3 | 1974-1984 | ||
| Don Kaiser | 109 | 1828.0 | 1956-1966 | ||
| Whitey Ford | 109 | 1489.6 | 1950-1961 | ||
| Tex Hughson | 109 | 1788.3 | 1941-1951 | ||
| 281. | Joe Bonikowski | 108 | 2442.6 | 1962-1973 | |
| 282. | Steve McCatty | 107 | 1477.0 | 1978-1986 | |
| Jim McAndrew | 107 | 1515.3 | 1968-1979 | ||
| Hal Reniff | 107 | 2757.9 | 1962-1978 | ||
| Jackie Collum | 107 | 2297.0 | 1951-1964 | ||
| Karl Drews | 107 | 1530.3 | 1946-1955 | ||
| 287. | Jay Howell | 106 | 2367.6 | 1980-1990 | |
| Bryn Smith | 106 | 1941.0 | 1981-1990 | ||
| Steve Comer | 106 | 1912.0 | 1980-1990 | ||
| Donnie Moore | 106 | 1229.3 | 1975-1990 | ||
| Mike Garman | 106 | 2479.6 | 1971-1989 | ||
| Dennis Lamp | 106 | 2037.3 | 1977-1987 | ||
| Bob Anderson | 106 | 1646.3 | 1957-1970 | ||
| Humberto Robinson | 106 | 2238.0 | 1955-1966 | ||
| Bob Kuzava | 106 | 2152.6 | 1947-1958 | ||
| 296. | Bob Ojeda | 105 | 1940.0 | 1981-1990 | |
| Tom Dixon | 105 | 1748.3 | 1979-1987 | ||
| Pedro Borbon | 105 | 2370.9 | 1970-1982 | ||
| Sam Jones | 105 | 1258.3 | 1951-1964 | ||
| Mel Parnell | 105 | 2172.0 | 1947-1959 |
| For questions or to report errors, please send us a note. |