Career
A defensive back, he played college football at Oklahoma State University, and played professionally in the American Football League for the Oilers from 1960 through 1963, and in 1965. In 1962, he returned a blocked punt 58 yards for a touchdown in the Oilers" 32 - 17 defeat of the Oakland Raiders. He was All-American Federation of Labor-Congress in 1961, and 1962, and an American Football League Eastern Division All-Star in 1963.
Banfield played in the first three American Federation of Labor-Congress Championship games, winning the title in 1960 and 1961.