Oxnard,Calif. ---  Former World Lightweight champion Brandon Rios of Oxnard,Ca. works out  during media day in Oxnard,Ca. for his eagerly-anticipated 2014 debut in a 10-round welterweight main event against one-time interim world champion Diego Chaves of Buenos Aires, Saturday, August 2 in the Chelsea at The Cosmopolitan of Las Vegas and televised on HBO Boxing After Dark®.

Promoted by Top Rank®, in association with Tecate, tickets are available for purchase at www.cosmopolitanlasvegas.com or through Ticketmaster at (800) 745-3000 and www.ticketmaster.com. Tickets are priced at $50, $75, $100, $150 and $200.  --- Photos by Chris Farina/Top Rank.