By Ryan Burton

LAS VEGAS - Floyd Mayweather and Andre Berto participatedin the finalpress conference for"HIGH STAKES: Mayweather vs. Berto" on Wednesday at the David Copperfield Theatre at the MGM Grand ahead of their major showdown taking place this Saturday, Sept. 12 live on SHOWTIME PPV(8 p.m. E/5 p.m. PT) from the MGM Grand Garden Arena.

In what is expected to be the final fight of his illustrious 19-year career, boxing superstar and pound-for-pound king Mayweather (48-0, 26 KOs) will put his undefeated record and WBC and WBA Welterweight World Championships on the line when he faces power-punching, two-time welterweight world champion Berto (30-3, 23 KOs). Three days before they meet in the ring, the two fighters and their camps were business-like and confident as they took their turns at the podium.




"HIGH STAKES: Mayweather vs. Berto," a 12-round world championship bout for Mayweather's WBC and WBA Welterweight World Titles takes place Saturday, Sept. 12 at MGM Grand in Las Vegas and is promoted by Mayweather Promotions and sponsored by Tecate. The event will be produced and distributed live by SHOWTIME PPV® (8:00 p.m. ET/5:00 p.m. PT).

The co-main event will feature a rematch between Roman Martinez and Orlando Salido for the WBO Junior Lightweight World Title. The Martinez vs. Salido fight will follow Mayweather Promotions' own Badou Jack "The Ripper" making his first defense of the WBC Super Middleweight World title against mandatory challenger "Saint" George Groves. The Jack vs. Groves fight is presented in association with Team Sauerland.

The first pay-per-view televised fight is a 10-round super featherweight showdown featuring Mexican power puncher Jhonny Gonzalez against Puerto Rico's Jonathan Oquendo. The event will be available in Spanish through secondary audio programming (SAP).

Mayweather vs. Berto will be shown on the big screen in theaters across the country via Fathom Events. For more information visit www.FathomEvents.com