The next generation of UFC stars are produced in an intense elimination tournament that separates the contenders from the pretenders.

UFC on ESPN 25: The Korean Zombie vs. Ige was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 19, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A featherweight bout between former UFC Featherweight Championship challenger Chan Sung Jung and Dan Ige served as the event headliner.

UFC Fight Night 26: Shogun vs. Sonnen was a mixed martial arts event held on August 17, 2013, at the TD Garden in Boston. The main event was contested between former UFC Light Heavyweight Champion Maurício Rua and Chael Sonnen.

UFC on FX 4: Maynard vs. Guida was a mixed martial arts event held by the Ultimate Fighting Championship on June 22, 2012 in Revel Casino in Atlantic City, New Jersey. The main event consists of a five-round, non-championship, bout between Clay Guida and Gray Maynard.

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.

UFC on Versus 4: Kongo vs. Barry was a mixed martial arts event held by the Ultimate Fighting Championship on June 26, 2011, at Consol Energy Center in Pittsburgh, Pennsylvania.

The Ultimate Fighter 7 Finale was a mixed martial arts event held by the Ultimate Fighting Championship on June 21, 2008. Featured were the finals from The Ultimate Fighter: Team Rampage vs Team Forrest in the Middleweight division as well as a main event between Kendall Grove and Evan Tanner. This was Evan Tanner's last fight before he died.

UFC Fight Night 120: Poirier vs. Pettis was a mixed martial arts event produced by the Ultimate Fighting Championship held on November 11, 2017, at Ted Constant Convocation Center in Norfolk, Virginia. A lightweight bout between Dustin Poirier and former WEC and UFC Lightweight Champion Anthony Pettis served as the event headliner.

UFC 245: Usman vs. Covington was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 14, 2019 at T-Mobile Arena in Paradise, Nevada. A UFC Welterweight Championship bout between the current champion and The Ultimate Fighter: American Top Team vs. Blackzilians winner Kamaru Usman and former interim champion Colby Covington served as the event headliner. A UFC Featherweight Championship bout between the current champion Max Holloway and Alexander Volkanovski took place as the co-main event.

UFC 96: Jackson vs. Jardine a mixed martial arts event held by the Ultimate Fighting Championship (UFC). It was held in Columbus, Ohio on March 7, 2009 at Nationwide Arena. The card was headlined by a Light Heavyweight bout between Quinton Jackson and Keith Jardine. Following the main event, Rashad Evans, training partner of Jardine and then-Light Heavyweight Champion, entered the cage and publicly challenged Jackson. It resulted in a long-standing feud between the two that would not be settled until 2010.

UFC 198: Werdum vs. Miocic was a mixed martial arts event held on May 14, 2016, at Arena da Baixada in Curitiba, Brazil. A UFC Heavyweight Championship bout between champion Fabrício Werdum and top contender Stipe Miocic served as the main event.

UFC 88: Breakthrough was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on September 6, 2008 at the Philips Arena in Atlanta, Georgia. The event was headlined by a light heavyweight bout between Chuck Liddell and Rashad Evans.

UFC 91: Couture vs. Lesnar was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on November 15, 2008, at the MGM Grand Garden Arena in Las Vegas, Nevada. The main event featured the return of UFC Heavyweight Champion Randy Couture versus WWE's Brock Lesnar in a title bout. The decision to grant Lesnar—who was 1–1 in UFC fights at the time—the title shot was controversial at the time. Some felt it was premature and marketing driven, while others argued the relative lack of depth in the heavyweight division at the time left no clear-cut contenders to the belt.

UFC 145: Jones vs. Evans was a mixed martial arts event held by Ultimate Fighting Championship on April 21, 2012 at the Philips Arena in Atlanta, Georgia. The headline fight at UFC 145 was a UFC Light Heavyweight Championship contest between champion Jon Jones and challenger Rashad Evans. Jones and Evans are former teammates at Jackson's MMA, under the tutelage of coach Greg Jackson.

UFC 105: Couture vs. Vera was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on November 14, 2009 in Manchester, England at the Manchester Evening News Arena. This event aired on the same day, via tape delay, on Spike in the U.S.

The event was expected to be headlined by a 145 lbs UFC Featherweight Championship bout between current champion José Aldo and top contender Conor McGregor. Aldo pulled out of the bout and a interim championship bout between Chad Mendes and McGregor took place at this event. The UFC received official medical confirmation from several doctors that Aldo did not have a broken rib as he claimed and the biggest problem was the weight cutting process being complicated by the injury. This was confirmed when a release of an Xray tied to an old injury was released by Aldo's camp. The co-main event featured a 170 lbs UFC Welterweight Championship bout between current champion Robbie Lawler and top contender Rory MacDonald. 145 lbs: Dennis Bermudez vs. Jeremy Stephens | 170 lbs: Gunnar Nelson vs. Brandon Thatch | 135 lbs.: Thomas Almeida vs. Brad Pickett

UFC on Fox 5: Henderson vs. Diaz was a mixed martial arts event that was held by the Ultimate Fighting Championship on December 8, 2012, at KeyArena in Seattle, Washington.

UFC on ABC 4: Rozenstruik vs. Almeida was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on May 13, 2023, at the Spectrum Center in Charlotte, North Carolina. A light heavyweight bout between former UFC Light Heavyweight Championship challenger Anthony Smith and Johnny Walker was originally expected to headline the event. However, the UFC decided to promote an already scheduled three-round heavyweight bout between Jairzinho Rozenstruik and Jailton Almeida to the five-round main event spot and downgrade the previous headliner to a three-round co-main event.

UFC 139: Shogun vs. Henderson was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 2011 at the HP Pavilion in San Jose, California.

UFC 111: St-Pierre vs Hardy was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on March 27, 2010 at the Prudential Center in Newark, New Jersey, United States.