[2] He was mentored by Colts Pro Football Hall of Fame player Art Donovan, who had also gone to Boston College, and treated Sullivan like an adopted son.

During his Colts career, Sullivan played every offensive line position, and the team's record was 104–4–5.

[4][5][2] Sullivan worked for the Mrs. Filbert's food company in Baltimore from 1966 to 1978, before and after his playing days, rising to national sales manager.

After retiring, he remained close friends with Colts legendary hall of fame quarterback Johnny Unitas.

This biographical article relating to an American football offensive lineman born in the 1930s is a stub.