Their opponent that day was the Chicago White Sox .
On April 7 , 1977 , Ault made history as the Blue Jays ' starting first baseman in the team 's first professional game .
Blue Jays ' opponent that day was the Chicago White Sox .
On April 7 , 1977 , Ault made history as the Blue Jays ' starting first baseman in the team 's first professional game .