You can watch UFC 137 live online here at MMAFighting.com. All you have to do is click the UFC live bar in the embeddable player below, sign in and select to purchase the event live to watch Penn vs. Diaz from Las Vegas on Oct. 29.Other fights that will be featured on the pay-per-view card are Cheick Kongo vs. Matt Mitrione, Mirko Filipovic vs. Roy Nelson, Hatsu Hioki vs. George Roop and Scott Jorgensen vs. Jeff Curran.
More Coverage: UFC 137 Fight Card | UFC 137 Results
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