Calgary Stampeders' Dick Suderman (left) runs at Toronto Argonauts quarterback Joe Theismann during Grey Cup action in Vancouver on Nov. 29, 1971. // Joe Theismann, Calgary Stampeders, Dick Suderman Toronto Argonauts (The Canadian Press Images/Vancouver Province)

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Calgary Stampeders' Dick Suderman (left) runs at Toronto Argonauts quarterback Joe Theismann during Grey Cup action in Vancouver on Nov. 29, 1971.

He was the victim of one of the most gruesome injuries in the violent history of gridiron football. Quarterback Joe Theismann, a former CFL star, had moved south to the Washington Redskins of the NFL and become a Super Bowl champion. But his career ended after he was sacked by fearsome New York Giants defender Lawrence Taylor in a Monday Night Football game in November, 1985. Theismann's lower leg snapped sickeningly as Giants defenders piled on, breaking both his tibia and fibula. The injury forced Theismann to retire at the age of the 36, and he became a successful broadcaster.

* Bing: Watch video of Theismann's leg injury