UFC on ESPN 10: Eye vs. Calvillo was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 13, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. The women's flyweight bout between former UFC Women's Flyweight Championship challenger Jessica Eye and Cynthia Calvillo served as the new event headliner.

UFC 180: Werdum vs. Hunt was a mixed martial arts event held on November 15, 2014 at Arena Ciudad de México in Mexico City, Mexico.

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 Fight Night 124: Stephens vs. Choi was a mixed martial arts event produced by the Ultimate Fighting Championship held on January 14, 2018, at Scottrade Center in St. Louis, Missouri.

UFC 257: Poirier vs. McGregor 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 24, 2021 at the Etihad Arena on Yas Island, Abu Dhabi, United Arab Emirates. A lightweight rematch between former UFC Featherweight and Lightweight Champion Conor McGregor and former interim champion Dustin Poirier headlined this event. They met previously in a featherweight bout at UFC 178 on September 27, 2014, where McGregor won by first-round TKO.

UFC 276: Adesanya vs. Cannonier was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 2, 2022, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. The event was held during the UFC's 10th annual International Fight Week. The 2022 UFC Hall of Fame induction ceremony also took place during the week. A UFC Middleweight Championship bout between current champion Israel Adesanya and Jared Cannonier headlined the event.

UFC 238: Cejudo vs. Moraes was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on June 8, 2019 at the United Center in Chicago, Illinois. The event was headlined by a UFC Bantamweight Championship bout for the vacant title between 2008 Olympic gold medalist in freestyle wrestling and current UFC Flyweight Champion Henry Cejudo and former WSOF Bantamweight Champion Marlon Moraes.

UFC 170: Rousey vs. McMann was a mixed martial arts event held on February 22, 2014, at the Mandalay Bay Events Center in Las Vegas. A bout between women's bantamweight champion and former Olympian Ronda Rousey and former Olympian Sara McMann headlined the event.

UFC Fight Night 88: Almeida vs. Garbrandt was a mixed martial arts event held on May 29, 2016, at the Mandalay Bay Events Center in Las Vegas, Nevada. A bantamweight bout between top undefeated prospects Thomas Almeida and Cody Garbrandt headlined the event.

UFC 264: Poirier vs. McGregor 3 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 10, 2021 at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight trilogy between former interim UFC Lightweight Champion Dustin Poirier and former UFC Featherweight and Lightweight Champion Conor McGregor headlined the event.

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.

Submission Underground 15 took place Sunday, June 21, 2020 with 9 fights in Portland, Oregon.

UFC on Fox 16: Dillashaw vs. Barao 2 was a mixed martial arts event held on July 25, 2015 at the United Center in Chicago, Illinois. The event was headlined by a UFC Bantamweight Championship rematch between current champion T.J. Dillashaw and former champion Renan Barão. The co-main event featured a UFC Women's Bantamweight Championship title eliminator bout between former Strikeforce Women's Bantamweight champion Miesha Tate and Jessica Eye.

UFC Fight Night 132: Cowboy vs. Edwards was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on June 23, 2018, at Singapore Indoor Stadium in Kallang, Singapore. A welterweight bout between former UFC Lightweight Championship challenger Donald Cerrone and Leon Edwards headlined the event.

UFC 192: Cormier vs. Gustafsson was a mixed martial arts event held on October 3, 2015, at the Toyota Center in Houston, Texas. The event was headlined by a UFC Light Heavyweight Championship bout between current champion Daniel Cormier and top contender Alexander Gustafsson.

UFC 231: Holloway vs. Ortega was a mixed martial arts event produced by the Ultimate Fighting Championship held on December 8, 2018 at Scotiabank Arena in Toronto, Ontario, Canada. A UFC Featherweight Championship bout between Max Holloway and Brian Ortega served as the event headliner.

UFC 203: Miocic vs Overeem is a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) held on September 10, 2016 at the Quicken Loans Arena in Cleveland, Ohio. The event was headlined by a UFC Heavyweight Championship bout between current champion (and Cleveland area native) Stipe Miocic against 2010 K-1 World Grand Prix winner and former Strikeforce Heavyweight Champion Alistair Overeem.

Chael Sonnen and FloSports present Submission Underground 2 LIVE on FloGrappling.com Sunday, Dec. 11, at 2:30 p.m. PT. A submission-only grappling event, SUG 2 brings the world's best grapplers and mixed martial artists together to determine the best submission fighters in the world. There are no ties and no draws. One person wins and one person loses every matchup.

Submission Underground finally makes its 2021 debut today with Submission Underground 21. The card is headlined by the Submission Underground king and men’s champion Mason Fowler defending his belt against another SUG mainstay in “The Boogeyman” Richie Martinez. Both Martinez and Fowler won their most recent bouts by armbar in regulation at SUG’s last event, Submission Underground 20.