Federspiel played college football for the Kentucky Wildcats.

Federspiel played in the NFL for the New Orleans Saints (1972–1980) and Baltimore Colts in 1981.

Federspiel also played for the Chicago Blitz of the United States Football League in 1983.

[1] After retiring as a player, Federspiel officiated Southeastern Conference (SEC) football games as an umpire.

This biographical article relating to an American football linebacker born in the 1950s is a stub.