Southgate,Calif. --- Former Lightweight champion Brandon "Bam Bam" Rios signs autographs for the hundreds of fans that showed up during his exclusive "meet and greet" Sunday afternoon. Rios is in preparation for his upcoming exciting rematch against Mike Alvarado of their 2012 Fight of the Year-nominated fight. Rios-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®. Also in attendence today were Rios special guests, Steven Luevano, Trainer of the Year Robert Garcia and newly crowned WBO Featherweight Champion Miguel "Mikey" Garcia. Photos by Gene Blevins/Top Rank.