Rios is working out hard for his upcoming exciting rematch against Mike Alvarado of their 2012 Fight of the Year-nominated fight.
Rios vs. Alvarado II will take place, Saturday, March 30 at the Mandalay Bay Events Center in Las Vegas, Nev.
Promoted by Top Rank®, in association with Tecate, this Junior Welterweight championship rumble will be televised live on HBO Boxing After Dark®.
All Photos © Chris Farina, Top Rank