UFC 52: Couture vs. Liddell 2 was a mixed martial arts event held by the Ultimate Fighting Championship on April 16, 2005, at the MGM Grand Arena in Las Vegas, Nevada. The event was broadcast live on pay-per-view in the United States and Canada, and later released on DVD.

UFC 86: Jackson vs. Griffin was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on July 5, 2008, at the Mandalay Bay Events Center in Las Vegas, Nevada. The title bout between Quinton "Rampage" Jackson and Forrest Griffin, coaches on The Ultimate Fighter: Team Rampage vs. Team Forrest, was for Jackson's UFC Light Heavyweight Championship.

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.

UFC 50: The War of '04 was a mixed martial arts event held by the Ultimate Fighting Championship at the Trump Plaza in Atlantic City, New Jersey. Headlining the card were Tito Ortiz and Patrick Côté. Côté was a late replacement for Lion's Den fighter Guy Mezger, who pulled out of the event due to a medical condition. It also featured the Middleweight debut of future champion Rich Franklin.

UFC 51: Super Saturday was a mixed martial arts event held by the Ultimate Fighting Championship on February 5, 2005 (Super Bowl weekend) at the Mandalay Bay Events Center in Las Vegas, Nevada.

Pride Final Conflict 2 was a mixed martial arts event held by Pride Fighting Championships. This event held the final round of the 2004 Heavyweight Grand Prix Tournament. It took place at the Saitama Super Arena on August 15th, 2004.

UFC 88: Breakthrough was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on September 6, 2008 at the Philips Arena in Atlanta, Georgia. The event was headlined by a light heavyweight bout between Chuck Liddell and Rashad Evans.

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.

UFC 87: Seek and Destroy was a mixed martial arts event held by the Ultimate Fighting Championship on August 9, 2008, at the Target Center in Minneapolis, Minnesota. The card was headlined by a welterweight championship bout between champion Georges St. Pierre and challenger Jon Fitch.

Pride Critical Countdown 3 was a mixed martial arts event held by the Pride Fighting Championships. This event held the second round of the Pride Middleweight tournament. It took place at the Saitama Super Arena in Saitama, Japan, on June 26th, 2005.

Pride Total Elimination 3 was a mixed martial arts event held by Pride Fighting Championships. This event marked the first round of the Middleweight tournament. It took place on April 23rd, 2005, at the Osaka Dome in Osaka, Japan.

Pride Critical Countdown 2 was a mixed martial arts event held by Pride Fighting Championships. The event held the second round of the Heavyweight tournament. It took place on June 20th, 2004, at the Saitama Super Arena in Saitama, Japan.

WEC 41: Brown vs. Faber 2 was a mixed martial arts event held by World Extreme Cagefighting on June 7, 2009 at the Arco Arena in Sacramento, California. It was the most successful show in the WEC's history. Featherweight champion Mike Brown defended his title in a rematch against former champion and no. 1 contender Urijah Faber in the main event. UFC lightweight Kenny Florian acted as a special guest color commentator. Eddie Wineland was expected to face Frank Gomez at the event, but was forced off the card with an injury and replaced by Noah Thomas. Rich Crunkilton was expected to face Donald Cerrone at the event, but was forced out of the bout with an injury and replaced by James Krause. The event drew an estimated 1,300,000 viewers on Versus.

WEC 42: Torres vs. Bowles was a mixed martial arts event held by World Extreme Cagefighting on August 9, 2009 at the Hard Rock Hotel and Casino in Las Vegas, Nevada. Bantamweight champion Miguel Torres defends his title against no. 1 contender Brian Bowles in the main event.

The long-awaited World Extreme Cagefighting® lightweight title unification bout between reigning champion Jamie Varner and interim champion Ben Henderson will take place on Sunday, Jan. 10 at ARCO Arena in Sacramento, Calif. If an explosive championship clash wasn’t enough, former featherweight titleholder Urijah Faber makes his return in his hometown of Sacramento to face Raphael Assuncao.

WEC 43: Cerrone vs. Henderson was a mixed martial arts event held by World Extreme Cagefighting on October 10, 2009 at the AT&T Center in San Antonio, Texas. The best light weight fighters in the world will be on display when WEC invades the Covelli Centre in Youngstown, OH. In the main event, fan favorite Donald “Cowboy” Cerrone battles feared striker Ben Henderson in a bout that will crown the interim WEC lightweight champion.

WEC 45: Cerrone vs. Ratcliff was a mixed martial arts event held by World Extreme Cagefighting that took place on December 19, 2009 at The Pearl at The Palms in Las Vegas, Nevada. It marked the first time the WEC has held back-to-back events at the The Pearl at The Palms.

WEC 44: Brown vs. Aldo was a mixed martial arts event held by World Extreme Cagefighting. It took place on November 18, 2009 at The Pearl at The Palms in Las Vegas, Nevada.

Strikeforce / M-1 Global - Fedor vs. Rogers was a mixed martial arts event held on November 7, 2009. It was the first MMA event on network television since the now-defunct EliteXC promotion broadcast its final event, EliteXC: Heat, on CBS on October 4, 2008. The event had a four-fight main card with a broadcasting team of Gus Johnson, Frank Shamrock and Mauro Ranallo.

WEC 37: Torres vs. Tapia was a mixed martial arts event held by World Extreme Cagefighting on December 3, 2008 at the Hard Rock Hotel and Casino in Las Vegas, Nevada. The event aired live on the Versus Network. WEC Bantamweight Champion Miguel Torres successfully defended his title again against Manny Tapia in the main event of the evening. In addition, former IFL standout Wagnney Fabiano made his WEC debut on this card. The Mark Munoz-Ricardo Barros fight was the final light heavyweight bout to be put on by the WEC. The division was absorbed into the UFC following this event. The event drew an estimated 671,000 viewers on Versus.