Martin Murray: I didn't come to lose; I'm beating Sergio Martinez

Buenos Aires, Argentina (4/24/13) - Earlier this afternoon, World Boxing Council (WBC) Middleweight Champion "Maravilla" Martinez (50-2-2, 28KO's) and the U.K.'s undefeated WBA interim champion Martin Murray (25-0-1, 11KO's) held the final media conference call ahead of their World Championship bout that will air live on HBO from Buenos Aires, Argentina this Saturday evening. The