He joined their junior affiliate Galt Black Hawks for the 1953 -- 54 season .
Costello played three years of junior hockey at University of St. Michael 's from 1950 -- 1953 .
Costello joined their junior affiliate Galt Black Hawks for the 1953 -- 54 season .
Costello played three years of junior hockey at University of St. Michael 's from 1950 -- 1953 .