Video: Berto Fires Back at Mayweather's Trash Talk

Sep 9, 2015 • 6:24 AM ET

LAS VEGAS - The countdown to "HIGH STAKES: Floyd "Money" Mayweather vs. Andre Berto" continued Tuesday afternoon as Floyd Mayweather and Andre Berto made their Grand Arrivals at MGM Grand in Las Vegas before their fight 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 against power-punching, two-time welterweight world champion Berto (30-3, 23 KOs).

Also making their Grand Arrivals Tuesday were the six other talented fighters who will compete on the four-fight pay-per-view telecast: Roman "Rocky" Martinez, Orlando "Siri" Salido, Badou Jack "The Ripper", "Saint" George Groves, Jhonny Gonzalez and Jonathan "Polvo" Oquendo.

In world title fights, Martinez (29-2-2, 17 KOs) will risk his WBO Junior Lightweight title in a rematch against the boxer he dethroned, four-time world champion Salido (42-13-2, 29 KOs), and Jack (19-1-1, 12 KOs) will make the first defense of his WBC Super Middleweight World title against mandatory challenger Groves (21-2, 16 KOs). Opening the telecast will be a 10-round junior lightweight showdown between former three-time world champion and Mexican power-puncher Gonzalez (58-9, 49 KOs) against Puerto Rico's Oquendo (25-4, 16 KOs).

Tickets for the live event, which is promoted by Mayweather Promotions LLC., are priced at $1,500, $1,000, $750, $500, $300 and $150 and are on sale now. Tickets are limited to eight (8) per household for all ticket prices except the $150 ticket category, which is limited to four (4) per household. To charge by phone or with a major credit card, call Ticketmaster at (800) 745-3000. Tickets also are available for purchase at www.mgmgrand.com or www.ticketmaster.com .