The PFL 2 mixed martial arts event for the 2018 season of the Professional Fighters League was held on June 21, 2018, at the Chicago Theatre in Chicago, Illinois. It was the second regular season event of 2018 and included only fights in the lightweight and light heavyweight divisions.

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 177: Dillashaw vs. Soto was a mixed martial arts event held by the Ultimate Fighting Championship on August 31, 2014 at the Sleep Train Arena in Sacramento, California.

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 on Fox 7: Henderson vs. Melendez was a mixed martial arts event held on April 20, 2013, at the HP Pavilion in San Jose, California. The event was headlined by a UFC Lightweight Championship bout between defending champion Benson Henderson and Strikeforce Lightweight Champion Gilbert Melendez. Also featured on the card was a bout between two time UFC Heavyweight Champion Frank Mir and Strikeforce Heavyweight Grand Prix Champion Daniel Cormier.

The Ultimate Fighter 13 Finale was a mixed martial arts event held by the Ultimate Fighting Championship on June 4, 2011 at the Palms Casino Resort in Paradise, Nevada, United States. Featured were the finalists from The Ultimate Fighter 13 – Team Lesnar vs Team Dos Santos in the Welterweight division.

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 Fight Night 35: Rockhold vs. Philippou was a mixed martial arts event held on January 15, 2014 at The Arena at Gwinnett Center in Duluth, Georgia. The event was headlined by a middleweight bout between Luke Rockhold and Costas Philippou.

UFC Fight Night 39: Nogueira vs. Nelson was a mixed martial arts event held on April 11, 2014, at du Arena in Abu Dhabi, United Arab Emirates. A heavyweight bout between Roy Nelson and Antônio Rodrigo Nogueira headlined this event.

UFC 137: Penn vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship on October 29, 2011 at Mandalay Bay Events Center in Las Vegas, Nevada.