Bobby Petrino is not the first member of the sports world to experience the dangers of motorcycle riding. Many athletes, including the five below, have suffered serious injuries or even death at the handlebars of a motorcycle.

Purchasing a sports bike may seem like a reward for making it to the big time (see Charlie Sheen's character in "Major League"), but the vehicles can put careers in jeopardy -- even if you're not riding with your mistress.

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