UFC on Fox 31: Lee vs. Iaquinta 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on December 15, 2018 at Fiserv Forum in Milwaukee, Wisconsin, United States. A lightweight rematch between former interim title challenger Kevin Lee and Al Iaquinta served as the event headliner. The pairing met previously in February 2014 at UFC 169 with Iaquinta winning the fight via unanimous decision.

UFC Fight Night 96: Lineker vs. Dodson was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on October 1, 2016, at Moda Center in Portland, Oregon. The event was headlined by a bantamweight bout between John Lineker and former two-time UFC Flyweight Championship challenger and The Ultimate Fighter: Team Bisping vs. Team Miller bantamweight winner John Dodson.

UFC Fight Night 122: Bisping vs. Gastelum was a mixed martial arts event produced by the Ultimate Fighting Championship and held on November 25, 2017, at Mercedes Benz Arena in Shanghai, China.

UFC Fight Night 133: dos Santos vs. Ivanov was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on July 14, 2018 at CenturyLink Arena in Boise, Idaho, United States. A heavyweight bout between former UFC Heavyweight Champion Junior dos Santos and former WSOF Heavyweight Champion Blagoy Ivanov served as the event headliner.

UFC Fight Night 146: Lewis vs. dos Santos was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on March 9, 2019 at Intrust Bank Arena in Wichita, Kansas. A heavyweight bout between former UFC Heavyweight Champion Junior dos Santos and former title challenger Derrick Lewis served as the event headliner.

UFC Fight Night 100: Bader vs. Nogueira 2 was a mixed martial arts event produced by the Ultimate Fighting Championship held on November 19, 2016, at Ginásio do Ibirapuera in São Paulo, Brazil. The event was initially expected to be headlined by a light heavyweight bout between former two-time UFC Light Heavyweight Championship challenger Alexander Gustafsson and Antônio Rogério Nogueira. Gustafsson pulled out of the bout due to an injury and was replaced by The Ultimate Fighter: Team Nogueira vs. Team Mir light heavyweight winner Ryan Bader.

UFC Fight Night 110: Lewis vs. Hunt was a mixed martial arts event produced by the Ultimate Fighting Championship held on 11 June 2017 at the Spark Arena in Auckland, New Zealand. A heavyweight bout between Derrick Lewis and the 2001 K-1 World Grand Prix winner and former interim title contender Mark Hunt served as the main event.

UFC 222: Cyborg vs. Kunitskaya is a mixed martial arts event produced by the Ultimate Fighting Championship held on March 3, 2018, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area.