 In the post-season, the Black Hawks cruised to a nine points to one victory over the Oshawa Generals in the OHA quarter-finals.In the OHA semi-finals, St. Catharines swept the defending champion Toronto Marlboros eight points to zero.In the final round against the Peterborough Petes, the Black Hawks easily defeated the Petes nine points to one to win the J. Ross Robertson Cup and earn a berth into the 1974 Memorial Cup.