UFC 155: Junior dos Santos vs. Cain Velasquez

Cain Velasquez punches Junior dos Santos during their fight at UFC 155. (Courtesy: Tracy Lee for Y! Sports)

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Highlights from UFC 155, featuring the heavyweight title fight between current champ Junior dos Santos and former champ Cain Velasquez, on Saturday, Dec. 29, 2012 at the MGM Grand Garden Arena in Las Vegas.

More on UFC 155: Watch - Dos Santos vs. Velasquez | Watch - Dana White's thoughts on the fights | Iole: Velasquez gets revenge

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