UFC 137 Top Fight Results
Nick Diaz defeated BJ Penn at UFC 137 last night, sending "The Prodigy" into retirement. After the fight, Diaz ripped into UFC welterweight champion Georges St-Pierre, catapulting him into the top contender slot for St-Pierre's title.
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In other featured bouts, Roy Nelson defeated Mirko Cro Cop, while Cheick Kongo derailed the Matt Mitrione hype train. You can get full detailed UFC 137 results at FightLine.com by clicking here.