Hollywood, CA  --- "GOOD LUCK APRIL 14" ---  Former world champion Brandon "Bam Bam" Rios (L), Oxnard, Ca., wishes good luck to Mike Alvarado (R)  during media day Tuesday.  Rios prepares for his upcoming World Lightweight title fight against Cuban gladiator and WBA interim lightweight champion Richard Abril and Alvarado takes on Mauricio Herrera on Saturday, April 14 at the Mandalay Bay in Las Vegas, live on Pay Per View. Filipino Mercito Gesta will see action on the undercard. Also on this championship double-header telecast is Juan Manuel Marquez, who will go for an historic fourth world title in as many different weight divisions when he takes on WBO European junior welterweight champion Sergey Fedchenko for the vacant WBO interim 140-pound world title. Márquez-Fedchenko will take place in Mexico City. --- Photos by Chris Farina/Top Rank.