More than 20,000 fans at T-Mobile Arena and millions watching on Pay-Per-View will be treated to a stacked undercard line-up in support of the Sept. 16 showdown between lineal and Ring Magazine Middleweight World Champion Canelo Alvarez (49-1-1, 34 KOs) and WBC/WBA/IBF/IBO Middleweight World Champion Gennady “GGG” Golovkin (37-0, 33 KOs).
In the co-main event, Joseph “JoJo” Diaz, Jr. (24-0, 13 KOs) of South El Monte, Calif. will take an important step towards a world title opportunity when he takes on Rafael "Big Bang" Rivera (25-0-2, 16 KOs) of Mexico in a 12-round WBC Featherweight title eliminator.
Also on the Pay-Per-View telecast will be a battle between two undefeated contenders in the Golden Boy stable. Former IBF World Bantamweight Champion Randy “El Matador” Caballero (24-0, 14 KOs) will face WBC Youth World Super Bantamweight Champion Diego De La Hoya (19-0, 9 KOs) in a 10-round super bantamweight battle for Caballero’s NABF Super Bantamweight title.
Opening the Pay-Per-View telecast, lightweight contenders Ryan "Blue Chip" Martin (19-0, 11 KOs), and Francisco Rojo (20-2, 13 KOs) of Mexico City, Mexico will battle it out for Ryan's WBC Continental Americas and the vacant WBA Intercontinental lightweight titles.
The non-televised undercard is stacked with action-packed bouts featuring Golden Boy Promotions’ strongest contenders and prospects.
Jesus Rojas (25-1-2, 18 KOs) of Caguas, Puerto Rico and Claudio Marrero (22-1, 16 KOs) of Santo Domingo, Dominican Republic will clash in a 12-round fight for the vacant WBA Featherweight Title. Vergil Ortiz (6-0, 6 KOs) of Dallas, Texas will take on Cesar Valenzuela (7-1, 2 KOs) of Phoenix, Ariz. in a scheduled six-round super lightweight fight. Marlen Esparza, the 2012 Olympic Bronze Medalist will take on Tania Cosme (5-6-1, 1 KO) of Denver, Colorado. Serhii Bohachuk (4-0, 4 KOs) of Los Angeles will fight in a scheduled four-round welterweight fight against an opponent that will be named shortly in the evening’s first bout.
Canelo vs. Golovkin is a 12-round fight for the middleweight championship of the world presented by Golden Boy Promotions and GGG Promotions and sponsored by Tecate "BORN BOLD"; Hennessy, Never Stop, Never Settle; O’Reilly Auto Parts. Better Parts, Better Prices…everyday!; Fred Loya Insurance; Interjet; Thor: Ragnarok; Fathom Events; Tsesnabank; and Capital Holdings. The event will take place Saturday, Sept. 16 at T-Mobile Arena and will be produced and distributed live by HBO Pay-Per-View beginning at a special time of 8:00 p.m. ET/5:00 p.m. PT.