UFC 166: Velasquez vs. dos Santos III was a mixed martial arts event held on October 19, 2013, at the Toyota Center in Houston, Texas. The main event was a UFC Heavyweight Championship bout between the current champion Cain Velasquez and top contender Junior dos Santos. The two have split their two previous encounters with Dos Santos winning the first bout via first round knockout and then Velasquez winning the rematch via unanimous decision at UFC 155.

UFC Fight Night 40: Brown vs. Silva was a mixed martial arts event held on May 10, 2014, at the U.S. Bank Arena in Cincinnati, Ohio.

The Ultimate Fighter: American Top Team vs. Blackzilians Finale (also known as The Ultimate Fighter 21 Finale) was a mixed martial arts event held on July 12, 2015, at the MGM Grand Garden Arena in Las Vegas, Nevada. A welterweight bout between Jake Ellenberger and Stephen Thompson, originally booked for a day earlier at UFC 189, served as the main event. The final of The Ultimate Fighter: American Top Team vs. Blackzilians took place at the event.