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About John Hennessy
John William Hennessy is an American former professional football player. He played college football at the linebacker position for the University of Michigan from 1974 to 1976. He also played in the National Football League (NFL) for the New York Jets from 1977 to 1979.
Everything about John Hennessy →- Occupation
- American football player
- Citizenship
- United States
- Born
- March 12, 1955