Career
Single Season
Dennis Martinez              21
Bryn Smith                   15
Joe Hesketh                  13
Pascual Perez                12
Neal Heaton                  10
Andy McGaffigan               8
Steve Rogers                  8
Bert Roberge                  7
Balor Moore                   7
Rudy May                      7
Carl Morton                   7
Dennis Martinez              10
Pascual Perez                10
Kevin Gross                   5
Neal Heaton                   5
Rudy May                      5
Bert Roberge                  5
Bryn Smith                    5
Mark Gardner                  4
Ken Hill                      4
Dennis Martinez               4
Andy McGaffigan               4
Carlos Perez                  4
Expos Balks Leaders