UFC 109: Relentless was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on February 6, 2010 at the Mandalay Bay Events Center in Las Vegas, Nevada.
Randy Couture, Mark Coleman, Chael Sonnen, Nate Marquardt, Paulo Thiago, Mike Swick, Demian Maia, Dan Miller, Matt Serra, Frank Trigg, Mac Danzig, Justin Buchholz

UFC 321: Aspinall vs. Gane was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 25, 2025, at the Etihad Arena in Abu Dhabi, United Arab Emirates. A UFC Heavyweight Championship bout between current champion Tom Aspinall and former interim champion Ciryl Gane headlined the event. A UFC Women's Strawweight Championship bout for the vacant title between former Invicta FC Strawweight Champion Virna Jandiroba and Mackenzie Dern took place in the co-main event.
2025

UFC Fight Night 209: Gane vs. Tuivasa was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 3, 2022, at Accor Arena in Paris, France. A heavyweight bout between former interim UFC Heavyweight Champion Ciryl Gane and Tai Tuivasa headlined the event.
2022

UFC 277: Peña vs. Nunes 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 30, 2022, at American Airlines Center in Dallas, Texas, United States. A UFC Women's Bantamweight Championship rematch between current champion (also The Ultimate Fighter: Team Rousey vs. Team Tate bantamweight winner) Julianna Peña and former champion (also current UFC Women's Featherweight Champion) Amanda Nunes headlined the event.
2022

UFC on ESPN 21: Brunson vs. Holland was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 20, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A middleweight bout between Derek Brunson and Kevin Holland served as the event headliner.
2021
One FC 15 - Rise of Heroes was a mixed martial arts event held by the One Fighting Championship on May 2, 2014 at the SM Mall of Asia Arena in Pasay City, Philippines.
2014

UFC 46: Supernatural was a mixed martial arts event held by the Ultimate Fighting Championship on January 31, 2004, at the Mandalay Bay Events Center in Las Vegas, Nevada. Headlining the card was a Light Heavyweight championship bout between Randy Couture and Vitor Belfort. The evening marked the UFC debut of future welterweight champion Georges St-Pierre.
2004

UFC 31: Locked and Loaded was a mixed martial arts event held by the Ultimate Fighting Championship at the Trump Taj Mahal in Atlantic City, New Jersey on May 4, 2001. The event was seen live on pay per view in the United States, and later released on home video.
2001

UFC 28: High Stakes was a mixed martial arts event held by the Ultimate Fighting Championship on November 17, 2000 at the Trump Taj Mahal in Atlantic City, New Jersey
2000

UFC 27: Ultimate Bad Boyz was a mixed martial arts event held by the Ultimate Fighting Championship on September 22, 2000 at Lake Front Arena in New Orleans, Louisiana.
2000

UFC 26: Ultimate Field Of Dreams was a mixed martial arts event held by the Ultimate Fighting Championship on June 9, 2000 in Cedar Rapids, Iowa. The main card featured Welterweight Champion Pat Miletich defending his title against John Alessio, and Heavyweight Champion Kevin Randleman defending his title against Pedro Rizzo.
2000

UFC 25: Ultimate Japan 3 was a mixed martial arts event held by the Ultimate Fighting Championship on April 14, 2000 at the Yoyogi National Gymnasium in Tokyo, Japan.
2000

UFC 24: First Defense was a mixed martial arts event held by the Ultimate Fighting Championship on March 10, 2000 at the Lake Charles Civic Center in Lake Charles, Louisiana.
2000

UFC 23: Ultimate Japan 2 was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 1999 at Tokyo Bay NK Hall in Tokyo, Japan.
1999

UFC 22: Only One Can be Champion was a mixed martial arts event held by the Ultimate Fighting Championship on September 24, 1999 at the Lake Charles Civic Center in Lake Charles, Louisiana.
1999

UFC 21: Return of the Champions was a mixed martial arts event held by the Ultimate Fighting Championship on July 16, 1999 at the Five Seasons Events Center in Cedar Rapids, Iowa. The event was seen live on pay per view in the United States, and later released on home video.
1999

UFC 20: Battle for the Gold was a mixed martial arts event held by the Ultimate Fighting Championship on May 7, 1999 at the Boutwell Auditorium in Birmingham, Alabama. The event was seen live on pay per view in the United States, and later released on home video.
1999

UFC 19: Ultimate Young Guns was a mixed martial arts event held by the Ultimate Fighting Championship on March 5, 1999 at the Casino Magic in Bay St. Louis, Mississippi. The event was seen live on pay per view in the United States, and later released on home video.
1999

UFC 17: Redemption was a mixed martial arts event held by the Ultimate Fighting Championship on May 15th, 1998 at the Mobile Civic Center, in Mobile, Alabama. The event was seen live on pay per view in the United States, and later released on home video.
1998

UFC 16 was an MMA event held by the UFC on March 13, 1998 in New Orleans, Louisiana, live on pay per view in the USA and later released on home video. It featured the first UFC Lightweight tournament, a Middlteweight Championship bout, a Heavyweight and a Middleweight Superfight.
1998

UFC 15: Collision Course was a mixed martial arts event held by the Ultimate Fighting Championship on October 17, 1997, in Bay St. Louis, Mississippi. The event was seen live on pay per view in the United States, and later released on home video
1997