LAS VEGAS ? In most sports, defense is necessary to win championships. In boxing, it is necessary simply to keep one?s brain from being scrambled.
By that measure, Yuriorkis Gamboa, the World Boxing Association featherweight champion, is at least competent defensively, because he remains a bright and outgoing young man. But Gamboa, who will meet Orlando Salido on Saturday in a featherweight championship unification bout in the main event of an HBO-televised card at the Palms Casino, is one of the two or three most exciting boxers in the world precisely because he isn?t so great defensively.
