Quiz: Did Mike Tyson actually say that?

Known as much for his thunderous knockout blows as he was for a whimsical quote, Mike Tyson celebrates his 50th birthday Thursday. Like Muhammad Ali before him, Tyson combined a dominating persona in the ring with an affable personality outside of it.

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With a career abundant in explosive knockouts matched only by his droll and eccentric words, here's a look at 10 quotes, five of which were Tyson's, the other five as absurd and in the same spirit but remarkably not his own.