The main event is scheduled to begin at around 10:00 p.m. EST (7:00 p.m. PST) in the United States, which corresponds to approximately 3:00 a.m. BST in the United Kingdom. Oscar De La Hoya will face Vitor Belfort in the Staples Center in Las Vegas on Saturday, September 11th, live on Fite.tv PPV US. The winner of this fight will be declared the new WBC Light Heavyweight Champion. Other notable bouts on the card include Gennady Golovkin vs. Kell Brook, Miguel Cotto vs. Antonio Margarito, and Shane Mosley vs. David Haye. The undercard starts at around 7:00 p.m. EST (4:00 p.m. PST) and runs until about an hour before the main event begins. If you're not interested in the main event, then there are plenty of other matches worth watching on the undercard.