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One of 2012′s biggest cards hits Seattle on December 8th. In the main event, UFC lightweight champion “Smooth” Benson Henderson faces fellow 155-pound superstar Nate Diaz in what promises to be a Fight of the Year candidate. Plus, former two-division UFC champion BJ Penn returns to battle Canadian phenom Rory MacDonald. Former light heavyweight champion Shogun Rua faces Swedish contender Alexander Gustafsson, Go behind the scenes and on the road as these six fighters prepare for what is being touted as one of the greatest fight cards ever on network television.