Career
At club level Duffy began his club career with Tynagh in Galway before later winning two county club championship medals with Clonad in Laois.
At club level Duffy began his club career with Tynagh in Galway before later winning two county club championship medals with Clonad in Laois.
Killeen made his first appearance for the team during the 1944 championship and was a regular member of the starting fifteen until his retirement a decade later after the 1954 championship.