Sergio Martinez tells viewers what to expect as he prepares for his showdown with Julio Cesar Chavez Jr. 24/7 Chavez/Martinez debuts Saturday, Sept. 1 at 11:45pm ET/PT on HBO. For more information on HBO Boxing, visit http://itsh.bo/HQspBS. Watch HBO Sports series and events online at HBO GO® http://itsh.bo/mxUXD0. Connect with HBO Boxing: http://www.facebook.com/hboboxing http://www.twitter.com/hboboxing http://getglue.com/hboboxing
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