Career Leaders

    Losses

PlayerLosses
Cy Young316
Pud Galvin305
Nolan Ryan292
Walter Johnson279
Phil Niekro274
Gaylord Perry265
Jack Powell256
Don Sutton256
Eppa Rixey251
Bert Blyleven250
Robin Roberts245
Warren Spahn245
Steve Carlton244
Early Wynn244
Jim Kaat237
Frank Tanana236
Gus Weyhing234
Tommy John231
Ted Lyons230
Bob Friend230
Greg Maddux227
Tim Keefe226
Fergie Jenkins226
Red Ruffing225
Bobo Newsom222
Jack Quinn218
Sad Sam Jones217
Chick Fraser216
Charlie Hough216
Jim McCormick214
Tony Mullane214
Mickey Welch214
Red Faber213
Paul Derringer212
Burleigh Grimes212
Jamie Moyer209
Jerry Koosman209
Vic Willis208
Pete Alexander208
Kid Nichols205
Tom Seaver205
Jim Whitney204
Joe Niekro204
Tom Glavine203
Adonis Terry202
Old Hoss Radbourn196
George Mullin196
Claude Osteen195
Eddie Plank194
Dennis Martinez193
Mickey Lolich191
Rick Reuschel191
Jerry Reuss191
Tom Zachary191

Bartolo Colon*

188
Christy Mathewson188
Jack Morris186
Mel Harder186
Mike Morgan186
Earl Whitehill185
Jim Bunning184
Al Orth184
Roger Clemens184
Curt Simmons183
Larry Jackson183
Joe Bush183
Waite Hoyt182
Hooks Dauss182
Danny Darwin182
Rick Wise181
Murry Dickson181
Dutch Leonard181
Tim Wakefield180
Lee Meadows180
Dolf Luque179
Wilbur Cooper178
Rube Marquard177
John Clarkson177
Livan Hernandez177
Mike Moore176
Bill Dineen176
Pink Hawley175
Long Tom Hughes175
Doyle Alexander174
Jim Perry174
Bob Gibson174
Chuck Finley173
Red Donahue172
Luis Tiant172
Red Ehret171
Dennis Eckersley171
Larry French171
Bert Cunningham170
Camilo Pascual170
Billy Pierce169
Amos Rusie167
Red Ames167
Jim Clancy167
Ted Breitenstein166
Howard Ehmke166