Career
Duffy was originally from Newtown and as a fullforward topped the club"s goalkicking with 78 goals in 1950 and 96 the next year. He was then recruited to Footscray and made his debut in 1952, his tally of 20 goals more than any of his teammate for the year. He was one of the better players in the 1954 Grand Final with 16 kicks from the half forward flank.