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Sergio Moraes, from Brazil, top, fights countryman Renee Forte during their welterweight mixed martial arts bout at the Ultimate Fighting Championship (UFC) 153 in Rio de Janeiro, Brazil, Saturday Oct. 13, 2012. Moraes defeated Forte. (AP Photo/Felipe Dana)

UFC 153: Silva vs. Bonnar

Pound-for-pound kingpin Anderson Silva maintained his perfect UFC record with a dominant win over Stephan Bonnar.