'Bare Knuckle Fighting Championship 1: The Beginning' was a bare-knuckle fighting event held by Bare Knuckle Fighting Championship on June 2, 2018 at the Cheyenne Ice and Events Center in Cheyenne, Wyoming, USA. This was the first bare-knuckle boxing event by Bare Knuckle Fighting Championship (BKFC) and the first sanctioned bare-knuckle boxing event in the United States since 1889. This event featured the quarter-final of a 8-Man Heavyweight Tournament.

UFC on Fox 11: Werdum vs. Browne was a mixed martial arts event held by the Ultimate Fighting Championship on April 19, 2014, at the Amway Center in Orlando, Florida. The event was headlined by a heavyweight number one contenders bout between Fabrício Werdum and Travis Browne.

UFC 168: Weidman vs. Silva 2 was a mixed martial arts event held on December 28, 2013, at the MGM Grand Garden Arena in Las Vegas, Nevada. The event was headlined by a UFC Middleweight Championship rematch between current champion Chris Weidman and former champion Anderson Silva. The two previously met at UFC 162, with Weidman winning via KO in the second round and earning the title.

UFC 160: Velasquez vs. Bigfoot 2 was a mixed martial arts event held on May 25, 2013, at the MGM Grand Garden Arena in Las Vegas, Nevada. The main event was a rematch between former UFC Heavyweight Champion Cain Velasquez and Antônio Silva. In their first encounter at UFC 146 a year earlier, Velasquez defeated Silva via first-round TKO.

Strikeforce: Marquardt vs. Saffiedine was a mixed martial arts event held by Strikeforce. The event took place on January 12, 2013 at the Chesapeake Energy Arena in Oklahoma City, Oklahoma. This was the final event for Strikeforce before the organization is folded and merged with the UFC.

Strikeforce: Rockhold vs. Jardine was a mixed martial arts event held by Strikeforce. The event took place on January 7, 2012 at the Hard Rock Hotel and Casino in Las Vegas, Nevada. Beginning with this event, the preliminary matches aired live on the Showtime Extreme channel prior to the main card airing on Showtime. Miesha Tate was expected to defend her Women's Bantamweight Championship against Sarah Kaufman on this card, but the bout never materialized. Luke Rockhold was expected to fight Tim Kennedy, though an injury left Kennedy unable to compete at this event. Bobby Green was originally scheduled to face Alonzo Martinez, but had to withdraw due to an injury.

Bellator I was a mixed martial arts event by Bellator Fighting Championships. The event took place on Friday, April 3, 2009 at the Seminole Hard Rock Hotel & Casino in Hollywood, Florida. It was broadcast nationally in the U.S. via tape-delay the following night on Saturday, April 4, 2009 through an exclusive television agreement with ESPN Deportes. The event featured quarter-final tournament bouts of the 2009 Featherweight (145 lbs) and Lightweight (155 lbs) Tournaments, along with a number of non-tournament bouts to be held in the organization's other weight divisions. All bouts were contested under the Unified Rules of Mixed Martial Arts.