{[['
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']]}Nick Diaz has put himself in the midst of a whirlwind of controversy since defecting from Strikeforce for the riches of the UFC. Originally slated to face Georges St-Pierre for the UFC welterweight title at Saturday’s UFC 137 event at Mandalay Bay in Las Vegas, Diaz was bumped down to the co-main event to face BJ Penn after he missed some crucial promotional requirements. But after GSP went down to injury, Penn and Diaz find themselves slotted into the main event role.
