He played college football for the Notre Dame Fighting Irish, earning consensus All-American honors in 1968.
[4] He also finished Super Bowl X at quarterback in what turned out to be his last game as a Steeler, taking the team's last four offensive snaps.
Hanratty was placed on waivers by the Steelers in September 1976 and picked up in October by the expansion Tampa Bay Buccaneers, who infamously lost every game they played that season.
As the backup quarterback to Steve Spurrier, Hanratty made a handful of appearances, and his sole start came in Week 13 against his old team, the Pittsburgh Steelers.
Hanratty was pulled in favor of Spurrier after throwing just four passes: one was intercepted, two incomplete, and one caught for a one-yard loss.