Takeya Mizugaki
Dillashaw was expected to face Takeya Mizugaki on May 24, 2014, at UFC 173. However, with the show losing its main event, Dillashaw was moved up the card to face Bantamweight champion and top 5 pound for pound Renan Barão in the featured bout. In one of the biggest upsets in UFC and MMA history, Dillashaw won the fight in dominant fashion, defeating Barão via TKO in the fifth round to become the new UFC Bantamweight champion. In addition to winning the title, Dillashaw received bonuses for "Fight of the Night" and "Performance of the Night".