UFC 189: Live

One of the biggest fights in UFC history goes down on July 11 in the MGM Grand Garden Arena in Las Vegas as the "Notorious" Conor McGregor battles Chad Mendes for the Interim Featherweight Championship on a night that will also see Rory MacDonald challenge for Robbie Lawler's Welterweight Championship in a rematch as TheSportMatrix.com brings you all the action with live play-by-play, updates, analysis, highlights and reaction.