UFC mixed martial arts event in 2016 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. 561,080 views on August 21, 2016 — Wikipedia's most-read article that day. Also most read: Caster Semenya, Gord Downie, The Tragically Hip, 2016 Summer Olympics. Wiki link