Career
Single Season
Steve Rogers                152
Steve Renko                  82
Bill Stoneman                72
Dennis Martinez              72
Bryn Smith                   71
Javier Vazquez               68
Bill Gullickson              61
Woodie Fryman                52
Ernie McAnally               49
Jeff Fassero                 48
Steve Rogers                 22
Bill Stoneman                19
Carl Morton                  18
Steve Rogers                 17
Balor Moore                  16
Steve Renko                  16
Jerry Robertson              16
Steve Rogers                 16
Bill Stoneman                16
Dennis Blair                 15
Livan Hernandez              15
Ernie McAnally               15
Steve Rogers                 15
Bob Sebra                    15
Bill Stoneman                15
Javier Vazquez               15
Expos Losses Leaders