In the main event, former UFC heavyweight champion Junior dos Santos will square off against fellow UFC veteran Yorgan De Castro in a heavyweight contest. Dos Santos will be competing for the first time since his departure from the UFC in early 2021. De Castro won his Eagle FC debut in January with a first-round guillotine over Shaun Asher in 64 seconds.

UFC Fight Night 29: Maia vs. Shields was a mixed martial arts event held on October 9, 2013, at the Ginásio José Corrêa in Barueri, Brazil. The event was headlined by a welterweight bout between Demian Maia and Jake Shields.

UFC on Fuel TV 10: Nogueira vs. Werdum was a mixed martial arts event held on June 8, 2013 at Ginásio Paulo Sarasate in Fortaleza, Brazil. The main event was a heavyweight rematch between The Ultimate Fighter: Brazil season two coaches, and perennial contenders Antônio Rodrigo Nogueira and Fabrício Werdum. It is a rematch of the first fight, in Pride, in which Nogueira won by unanimous decision back in 2006.

UFC on Fuel TV 6: Franklin vs. Le was a mixed martial arts event held by the Ultimate Fighting Championship on November 10, 2012 at the CotaiArena in Cotai Strip, Macau. It was the first ever UFC event held in China.

UFC on Fuel TV 2: Gustafsson vs. Silva was a mixed martial arts event held by the Ultimate Fighting Championship on April 14, 2012 at the Ericsson Globe Arena in Stockholm, Sweden.

UFC 125: Resolution was a mixed martial arts event held by the Ultimate Fighting Championship on January 1, 2011 at the MGM Grand Garden Arena in Las Vegas, Nevada, United States. The main event was a lightweight bout between Frankie Edgar and Gray Maynard.

UFC 108: Evans vs. Silva was a mixed martial arts event being held by the Ultimate Fighting Championship (UFC) on January 2, 2010 in Las Vegas, Nevada at the MGM Grand Garden Arena.

UFC 102: Couture vs. Nogueira was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on August 29, 2009 at the Rose Garden in Portland, Oregon. It featured former UFC Heavyweight and Light Heavyweight champion, Randy Couture, facing off against former PRIDE Heavyweight champion and former UFC Interim Heavyweight champion, Antonio Rodrigo Nogueira.

UFC 94: St-Pierre vs. Penn 2 was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on January 31, 2009. The main event featured the rematch of the UFC Welterweight Champion Georges St-Pierre against the UFC Lightweight Champion BJ Penn for the UFC Welterweight Championship.

UFC 84: Ill Will was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on May 24, 2008, at the MGM Grand Garden Arena in Las Vegas, Nevada. The card featured the return of Sean Sherk, who was suspended and stripped of his UFC lightweight title after he tested for steroids at UFC 73. He faced B.J. Penn, who had since won the vacated title.

UFC 78: Validation was a mixed martial arts event held by the Ultimate Fighting Championship (UFC), that took place on November 17, 2007 at the Prudential Center in Newark, New Jersey. Validation was the first UFC event held in New Jersey since June 4, 2005's UFC 53: Heavy Hitters in Atlantic City. The main event featured TUF 2 Heavyweight winner Rashad Evans against TUF 3 Light Heavyweight winner Michael Bisping in a light heavyweight contest.

UFC 75: Champion vs. Champion was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC). The event was held September 8, 2007 at The O2 in London, England. The main event was a title unification match between UFC Light Heavyweight Champion Quinton Jackson and PRIDE Fighting Championships' 83 kg and 93 kg champion, Dan Henderson.

UFC 71: Liddell vs. Jackson was a mixed martial arts event held by the Ultimate Fighting Championship. The event took place on Saturday, May 26, 2007 at the MGM Grand Garden Arena in Las Vegas, Nevada. The main event was the rematch between UFC Light Heavyweight Champion "The Iceman" Chuck Liddell and Quinton "Rampage" Jackson. Jackson was the only fighter to have an unavenged win against Liddell.