UFC mixed martial arts event in 2017 UFC 211: Miocic vs. dos Santos 2 was a mixed martial arts event produced by the Ultimate Fighting Championship held on May 13, 2017, at the American Airlines Center in Dallas, Texas. 383,047 views on May 14, 2017 — Wikipedia's most-read article that day. Also most read: Hamilton (musical), Eurovision Song Contest 2017, Mother's Day, Penny Dreadful (film). Wiki link