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Junior Dos Santos and Cain Velasquez at UFC155 News Conference
UFC heavyweight champion Junior Dos Santos of Brazil and Cain Velasquez of San Jose, Calif. attend a pre-fight news conference at the MGM Grand Thursday, Dec. 27, 2012. Dos Santos will defend the title against Velasquez at UFC155 at the MGM Grand Garden Arena Saturday. Velasquez lost the title to Dos Santos at the UFC's inaugural event with FOX last year.