UFC on Versus 2: Jones vs. Matyushenko was a mixed martial arts event held by the Ultimate Fighting Championship on Sunday, August 1, 2010, at the Valley View Casino Center in San Diego, California.

UFC 33: Victory in Vegas was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center on the Las Vegas Strip in Las Vegas, Nevada on September 28, 2001. The event was seen live on pay per view in the United States, and later released on home video.

UFC 32: Showdown in the Meadowlands was a mixed martial arts event held by the Ultimate Fighting Championship at the Continental Airlines Arena in East Rutherford, New Jersey on June 29, 2001. The event was seen live on pay per view in the United States, and later released on home video.

UFC 41: Onslaught was a mixed martial arts event held by the Ultimate Fighting Championship at the Boardwalk Hall in Atlantic City, New Jersey. UFC 41 featured two championship bouts, a Heavyweight Championship Bout between Ricco Rodriguez and Tim Sylvia, and a Lightweight Championship Bout between BJ Penn and Caol Uno. The event also marked the return of Tank Abbott to the UFC

UFC 44: Undisputed was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center on the Las Vegas Strip in Paradise, Nevada. Headlining the card was a light heavyweight championship unification bout between Tito Ortiz and Randy Couture.

Affliction: Day of Reckoning was a mixed martial arts event promoted by Affliction Entertainment on January 24, 2009, in Anaheim, California at the Honda Center. It was originally scheduled for October 11, 2008, at the Thomas and Mack Center in Las Vegas, Nevada with a different fight card. The main event was former Pride World Heavyweight Champion Fedor Emelianenko against former UFC Heavyweight Champion Andrei Arlovski. Also on the card was Josh "Babyface Assassin" Barnett, who took on Gilbert Yvel. In a light-heavyweight match, former Strikeforce Champion Renato "Babalu" Sobral took on Rameau Thierry Sokoudjou. Matt Lindland was reassigned from a 195-pound catchweight bout with Sobral to a middleweight matchup against former UFC Light-Heavyweight Champion Vitor Belfort.

UFC 141: Lesnar vs Overeem was a mixed martial arts event held by the Ultimate Fighting Championship on Friday December 30, 2011, at the MGM Grand Garden Arena in Las Vegas, Nevada.

Bellator XCIX took place on September 13, 2013 at the Pechanga Resort & Casino in Temecula, California. The event aired live in prime time on Spike TV. Bellator 99 featured the Featherweight Tournament Quarterfinal bouts.

UFC 129: St-Pierre vs. Shields took place on April 30, 2011 in Toronto, Canada. The event broke the previous record and set a new one for the largest attendance in North American MMA history with over 55,000 inside Rogers Stadium. The card was headlined by two title fights: World Welterweight Championship: Georges St-Pierre vs. Jake Shields and World Featherweight Championship: Jose Aldo vs. Mark Hominick.

UFC 40: Vendetta was a mixed martial arts event held by the Ultimate Fighting Championship on November 22, 2002, at the MGM Grand Arena on the Las Vegas Strip in Paradise, Nevada. The event was broadcast live on pay per view in the United States, and later released on DVD. UFC 40 contained one of the biggest, most important and most anticipated fights in UFC history, a UFC Light Heavyweight Championship fight between rivals Tito Ortiz and Ken Shamrock. Shamrock, a popular legendary fighter and former champion from the UFC's early years, was returning to the UFC for the first time since 1996. The fight was coined "the biggest fight in UFC history" by the UFC during the event.