gio ▁Gabriel ▁Mart ine z , ▁Buck ▁Smith , ▁David ▁Kam au ▁and ▁Frank ie ▁Rand all , ▁a ▁former ▁World ▁Light ▁Wel ter weight ▁Champion ▁who ▁became ▁the ▁first ▁man ▁to ▁beat ▁Jul io ▁César ▁Ch á vez ▁in ▁ 9 1 ▁f ights . ▁ ▁First ▁world ▁title ▁fight ▁ ▁On ▁July ▁ 2 1 , ▁ 2 0 0 1 , ▁he ▁got ▁his ▁first ▁world ▁title ▁try ▁against ▁south p aw ▁Daniel ▁Santos ▁for ▁the ▁W BO ▁Wel ter weight ▁title ▁at ▁Bay am ón , ▁Puerto ▁Rico ' s ▁Rub én ▁Rodríguez ▁Col ise um . ▁The ▁fight ▁had ▁to ▁be ▁stopped ▁in ▁the ▁first ▁round ▁as ▁a ▁consequence ▁of ▁a ▁cl ash ▁of ▁heads ▁that ▁opened ▁deep ▁g ash es ▁on ▁both ▁f igh ters ▁and ▁sent ▁them ▁both ▁to ▁a ▁nearby ▁hospital . ▁Because ▁the ▁fight ▁had ▁not ▁gone ▁at ▁least ▁four ▁r ounds , ▁a ▁technical ▁decision ▁could ▁not ▁be ▁awarded . ▁The ▁bout ▁was ▁declared ▁a ▁no ▁contest ▁and ▁Santos ▁retained ▁the ▁bel t . ▁ ▁W BO ▁wel ter weight ▁champion ▁ ▁Santos ▁then ▁vac ated ▁the ▁W BO ▁title ▁to ▁go ▁up ▁in ▁weight ▁and ▁purs ue ▁the ▁W BO ▁Light ▁Middle weight ▁Championship ▁and ▁Mar gar ito ▁was ▁assigned ▁to ▁fight ▁Antonio ▁Dí az ▁for ▁the ▁vac ant ▁title ▁in ▁front ▁of ▁an ▁H BO ▁Box ing ▁audience . ▁On ▁March ▁ 1 6 , ▁ 2 0 0 2 , ▁Mar gar ito ▁crown ed ▁himself ▁world ▁champion , ▁be