Chris Farina - Top Rank
August 1, 2014, Las Vegas,Nevada --- Former World Lightweight champion Brandon Rios (pictured) of Oxnard,Ca. and one-time interim world champion Diego Chaves of Buenos Aires weigh in ( Rios 147 lbs, Chaves 148 lbs) for their upcoming 10-round welterweight main event , Saturday, August 2 in the Chelsea at the Cosmopolitan.