Lyoto Machida is stopped by referee Yves Lavigne after knocking out Thiago Silva in the first round of their UFC light heavyweight mixed martial art match Saturday, Jan. 31, 2009 at The MGM Grand Garden Arena in Las Vegas. (AP Photo/Eric Jamison)

During UFC 94 at the end of round 1, Lyoto Machida threw a devastating punch that knocked Thiago Silva out cold to win the fight.

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