LOS ANGELES - On Friday, May 5, one day before the mega-fight between Canelo Alvarez vs. Julio Cesar Chavez, Jr. goes down in Las Vegas, Golden Boy Promotions will throw a Cinco de Mayo fiesta at the MGM Grand Garden Arena. Fans will get a full afternoon and evening of activity starting with the Official Canelo vs. Chavez, Jr.Weigh In, an action-packed night of Golden Boy Boxing onESPN fights headlined by Former Three-Division World Champion Yuriorkis Gamboa taking on the longtime contender Robinson Castellanos, surprise fighter appearances, DJs, sponsor giveaways, entertainment and much, much more!



First, the MGM Grand Garden Arena doors will open at 1:00 p.m. PST for the official Canelo vs. Chavez, Jr. and full undercard Weigh-in with fighters hitting the scales at 2:00 p.m. PST/5:00 p.m. EST, main pay-per-view-view undercard to weigh in beginning at 2:30 p.m. PST/5:30 p.m. EST. Soon after the weigh-in, the Golden Boy Boxing on ESPN fights will begin, leading into a special televised tripleheader of fan-friendly action live on ESPN2 and ESPN Deportes.



As a special treat to the fans, Golden Boy Promotions will be giving away exclusive VIP seating and entrance to the Canelo vs. Chavez, Jr. Weigh-in with purchase of a ticket to Golden Boy Boxing on ESPN: Gamboa vs. Castellanos.





"On the eve of the Mexico vs. Mexico superfight that is Canelo vs. Chavez, Jr., it was only fitting we throw the ultimate fan fiesta on Cinco de Mayo in Las Vegas," said Oscar De La Hoya, Chairman and CEO of Golden Boy Promotions. "There is no better way to enjoy this special holiday than to come out and watch some top quality, action-packed fights, listen to the sounds of the mariachi bands and wave your Mexican flags."



Cuban standout and Olympic gold medalist Yuriorkis "El Ciclon de Guantánamo" Gamboa (26-1, 17 KOs) of Miami, FL will be making a rapid return to the ring to face rugged Celaya, Mexico fighter Robinson "Robin Hood" Castellanos (21-11, 13 KOs) in a main event lightweight fight scheduled for 10 rounds transmitted on ESPN2 and ESPN Deportes beginning at 5:00 p.m. PST/8:00 p.m. EST.



In the co-main event, Abraham "El Chamaco" Lopez (22-0-1, 15 KOs) of La Puente, CA will put his WBA-NABA Featherweight title and undefeated record on the line, as he squares off in a 10 round bout against dangerous fighter Jesus Rojas (24-1-2, 17 KOs) hailing from Caguas, Puerto Rico.



Opening up Golden Boy Boxing on ESPN televised fights, someone's "0" must go as Sao Paulo, Brazil's own Yamaguchi Falcão (12-0, 6 KOs) faces his toughest challenge yet in the sturdy Morgan "Big Chief" Fitch (18-0-1, 8 KOs) of Pittsburgh, PA in a 10 round middleweight match.



Golden Boy Boxing on ESPN: Gamboa vs. Castellanos is a 10-round lightweight fight presented by Golden Boy Promotions in association with ZR Entertainment and sponsored by Tecate BORN BOLD. ESPN2 and ESPN Deportes will transmit the fights live on Friday, May 5 from the MGM Grand Garden Arena at 5:00 p.m. PST/8:00 p.m. EST. ESPN Deportes will also air the undercard matches, starting at 7:00 p.m. ET/4:00 p.m. PT. The same bouts will also run at the same time in English, on ESPN3, with TV coverage starting at 8:00 p.m. ET/5:00 p.m. PT on ESPN2.



Tickets starting at $10* for Golden Boy Boxing on ESPN will go on sale, TODAY, April 7 at 12:00 p.m. PST and will include complimentary VIP reserved seating at the Canelo vs. Chavez, Jr. Weigh-in. Ringside seats for fights only are priced at $30*. To charge by phone with a major credit card, call the AXS Contact Center at (888) 929-7849 or MGM Resorts Contact Center at (866) 740-7711. Tickets will also be available for purchase online at www.axs.com or www.mgmgrand.com and various MGM Resorts Box Offices. *All ticket prices do not include service fees or applicable service charges.