Watch full movie online. UFC 202: Diaz vs. McGregor 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on August 20, 2016, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area. The event was headlined by a welterweight rematch between The Ultimate Fighter 5 winner and former lightweight title challenger Nate Diaz and UFC Featherweight Champion Conor McGregor.