2010 Fighter of the Year Sergio Martinez stares down his undefeated opponent, Sergiy Dzinziruk, at the press conference to announce their upcoming fight. Sergio Martinez vs. Sergiy Dzinziruk happens live Saturday, March 12 at 10:30PM ET/7:30PM PT, only on HBO. For more information, visit http://itsh.bo/lvp8Cq.
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