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As reported by Kevin Iole of Yahoo! Sports. Demian Maia will be tough to sell as a legitimate threat to Silva's title given that Maia lost to Nate Marquardt via KO in just 21 seconds at UFC 102 on 08/29/2009, while Silva has gone undefeated in his last 11 fights including beating Marquardt via first round stoppage at UFC 73 on 07/07/2007.