Brock Lesnar will face Cain Velasquez in the main event of UFC 121. You can watch UFC 121 live online here at FanHouse.com and MMAFighting.com, and if you order before Oct. 22 at 10PM ET, you can watch the non-televised portion of the undercard as well. All you have to do is click the purchase now button in the embeddable player below, then enjoy the event live from Anaheim on Oct. 23.Other fights that will be featured on the pay-per-view card are Jake Shields vs. Martin Kampmann, Diego Sanchez vs. Paulo Thiago, Tito Ortiz vs. Matt Hamill and Brendan Schaub vs. Gabriel Gonzaga.
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