Featherweight world titleholders Leo Santa Cruz and Abner Mares, who were supposed to fight each other in a mandatory rematch this fall, instead will defend their belts against separate opponents first. Santa Cruz will defend his 126-pound world title against Chris Avalos and Mares will defend his secondary belt against Andres Gutierrez on Oct. 14 in the main event of a Premier Boxing Champions card (Fox/Fox Deportes, 7:30 p.m. ET) at the StubHub Center in Carson, California, promoters Tom Brown of TGB Promotions and Richard Schaefer of Ringstar Sports announced Wednesday. read more http://www.espn.com/boxing/story/_/...nta-cruz-abner-mares-headline-october-14-card