LAS VEGAS, NV -- World championship boxing returns to The Chelsea inside The Cosmopolitan of Las Vegas this Saturday!  Former two-division world champion TIMOTHY "Desert Storm" BRADLEY, JR. is back in the ring, facing one-time interim world champion DIEGO "La Joya" CHAVES, in a 12-round welterweight rumble.  The co-main events will feature two world championship battles -- World Boxing Association (WBA) interim super lightweight champion MAURICIO "El Maestro" HERRERA defends his title against undefeated Top-10 contender JOSE BENAVIDEZ, JR. and top-rated contenders MATT KOROBOV and ANDY LEE  go mano a mano for the vacant World Boxing Organization (WBO) middleweight crown.  All three fights will be televised live, Saturday, December 13, on HBO World Championship Boxing®, beginning at 10:00 p.m. ET/PT. Photos by Chris Farina/Top Rank.