EL PASO, Texas - Fighters competing on the huge Premier Boxing Champions on CBS and SHOWTIME CHAMPIONSHIP BOXING cards held an open to the public final press conference Thursday before they enter the ring this Saturday, July 18 at the Don Haskins Center in El Paso, Texas.

The evening event on SHOWTIME® features Mexican superstar Julio Cesar Chavez Jr. (48-2-1, 32 KOs) returning to the ring to face Marco Reyes (33-2, 24 KOs). In the  co-main event, Puerto Rican Olympian McJoe Arroyo (16-0, 8 KOs) takes on Arthur Villanueva (27-0, 14 KOs) of the Philippines for the IBF Junior Bantamweight World Championship. Televised coverage begins at 10 p.m. ET/7 p.m. PT with undefeated 140-pound contender Amir "Young Master" Imam (17-0, 14 KOs) meeting  former world title challenger Fernando "La Fiera" Angulo (29-9, 16 KOs) in a world title eliminator.

The afternoon's PBC on CBS event is headlined by undefeated Irish superstar Carl Frampton (20-0, 14 KOs) taking on Alejandro "Cobrita" Gonzalez Jr. (25-1-2, 15 KOs). Televised coverage begins at 4 p.m. ET/1 p.m. PT with a heavyweight showdown between Chris "The Nightmare" Arreola (36-4, 31 KOs) and "Big" Fred Kassi, (18-3-0, 10 KOs).

Tickets for the evening event, which is promoted by Chavez Promotions, in association with TGB Promotions and Warriors Boxing, are priced at $200, $100, $75, $50 and $25 are on sale now. Tickets for the afternoon event, which is promoted by TGB Promotions in association with Warriors Boxing and Cyclone Promotions, are priced at $50 or $25 for general admission and are on sale now. To charge by phone with a major credit card, call Ticketmaster at (800) 745-3000 or the University Ticket Center at (915) 747-5234. Tickets are also available at www.ticketmaster.com.