Porter vs. Diaz II will take place on Thursday, September 12 at MGM Grand Las Vegas' Premier Ballroom located in the MGM Grand Conference Center on the third level. The event is presented by Mayweather Promotions and Golden Boy Promotions and sponsored by Corona and O'Reilly Auto Parts. Doors open at 5:00 p.m. PT on fight night and the first bell rings at 6:00 p.m. PT. The FOX Sports 2/FOX Deportes broadcast airs live at 10:00 p.m. ET/7:00 p.m. PT. Tickets priced at $100, $75, $50 and $25, not including applicable service charges and taxes are on sale now. To charge by phone with a major credit card, call Ticketmaster at (800) 745-3000. Tickets also will be available for purchase a www.mgmgrand.com or www.ticketmaster.com. Additionally, with the purchase of a ticket, fans will be given a reserved seat for the "THE ONE: Mayweather vs. Canelo" Official Weigh-In taking place Friday, September 13 at the MGM Grand Garden Arena. Fans will also receive a 10 percent discount on tickets for closed circuit viewing of the Mayweather vs. Canelo mega-event on Saturday, September 14.