Win an O’Reilly Auto Parts gift card. We will pick two lucky fans to win these gift cards. Special Fathom Feature: Mayhem: Mayweather vs. Maidana 2 broadcast LIVE from the MGM Grand in Las Vegas. Fathom Events, O’Reilly Auto Parts, Mayweather Promotions, Golden Boy Promotions and Showtime bring you the highly anticipated rematch between eleven-time world champion Floyd "Money" Mayweather and the dangerous, power-punching Marcos "El Chino" Maidana . After their thrilling fight earlier this year, which left sports fans clamoring for more, the two prizefighters will face each other again when Mayhem: Mayweather vs. Maidana 2 is broadcast LIVE from the MGM Grand in Las Vegas to select movie theaters nationwide on Saturday, September 13 at 8:00 p.m. ET/5:00 p.m. PT. This exciting rematch will undoubtedly test the skill and will of both fighters in this electrifying showdown that is set to finish that which was started the first time they met. Despite ...