Oscar Collazo TKO6 Jesus Haro... Oscar Collazo stopped unqualified challenger Jesus Haro to retain his WBA and WBO world 105-pound titles. After sx one-sided rounds, Haro's corner advised the referee their man was not coming out for the seventh. The Puerto Rican champion is now 14-0 and deserves further unification opportunities. The American Haro, more a of a gatekeeper-level boxer, is now 13-4.