UFC 138: Leben vs. Muñoz

UFC 91: Couture vs. Lesnar was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on November 15, 2008, at the MGM Grand Garden Arena in Las Vegas, Nevada. The main event featured the return of UFC Heavyweight Champion Randy Couture versus WWE's Brock Lesnar in a title bout. The decision to grant Lesnar—who was 1–1 in UFC fights at the time—the title shot was controversial at the time. Some felt it was premature and marketing driven, while others argued the relative lack of depth in the heavyweight division at the time left no clear-cut contenders to the belt.

UFC 55: Fury was a mixed martial arts event held by the Ultimate Fighting Championship on October 7, 2005 at the Mohegan Sun Arena in Uncasville, Connecticut. UFC heavyweight champion Andrei Arlovoski defends his title against hard-hitting Mexican striker Paul Buentello. The undercard is highlighted by The Ultimate Fighter Season 1 winner Forrest Griffin as he takes on Australia's Elvis Sinosic.

UFC 54: Boiling Point was a mixed martial arts event held by the Ultimate Fighting Championship on August 20, 2005, at the MGM Grand Arena in Las Vegas, Nevada.. UFC Light Heavyweight Champion Chuck Liddell makes his first title defense against the man who handed him his first ever defeat – Jeremy Horn. The undercard features the return of Randy "The Natural" Couture, the UFC debut of The Ultimate Fighter winner Diego Sanchez, and a highly anticipated welterweight match-up between Georges St. Pierre and Frank Trigg.

UFC 53: Heavy Hitters was a mixed martial arts event held by the Ultimate Fighting Championship on June 4, 2005, at the Boardwalk Hall in Atlantic City, New Jersey. Andrei Arlovski puts his interim Heavyweight Championship on the line against Justin Eilers. The undercard features a rematch for the UFC Middleweight Championship as Champion Evan Tanner defends this title against Rich Franklin. Other featured fighters include top ranked Forrest Griffin, Paul Buentello, Nate Quarry, David Loiseau, Nick Diaz and more.

UFC 92: The Ultimate 2008 was a mixed martial arts event by the Ultimate Fighting Championship (UFC) held on December 27, 2008 at the MGM Grand Garden Arena in Las Vegas, Nevada. The main event featured number-one contender Rashad Evans fighting the UFC Light Heavyweight Champion Forrest Griffin.

UFC 94: St-Pierre vs. Penn 2 was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on January 31, 2009. The main event featured the rematch of the UFC Welterweight Champion Georges St-Pierre against the UFC Lightweight Champion BJ Penn for the UFC Welterweight Championship.

WEC 36: Faber vs. Brown took place on November 5, 2008 at the Seminole Hard Rock Hotel and Casino in Hollywood, Florida. The event aired live on the Versus Network. Paulo Filho fought again against Chael Sonnen in the main event of the evening. WEC Featherweight Champion Urijah Faber also put his belt on the line against Mike Brown.

UFC 93: Franklin vs. Henderson was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on January 17, 2009 at The O2, Dublin in Dublin, Ireland. The main event featured a Light Heavyweight bout between former UFC Middleweight Champion Rich Franklin and former Pride Middleweight Champion and Pride Welterweight Champion Dan Henderson. The winner of the fight would become the coach opposite Michael Bisping for the ninth season of The Ultimate Fighter: United States vs. United Kingdom.

World Extreme Cagefighting returned to The Palace Indian Gaming Center in Lemoore, California for the ninth installment of promoters Scott Adams' and Reed Harris' emerging event. With a few big name guys and a packed stable of home grown talent, the WEC has started to make a push towards the top of the pack when it comes to regional events.

UFC 81: Breaking Point was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) at the Mandalay Bay Events Center in Las Vegas, Nevada. The event featured Tim Sylvia and Antonio Rodrigo "Minotauro" Nogueira for UFC's Interim World Heavyweight Championship.

UFC 80: Rapid Fire was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC), that took place on January 19, 2008 at the Metro Radio Arena in Newcastle, England. Sean Sherk was originally slated to fight but tested positive for steroids. With the lightweight championship vacated, the Penn-Stevenson bout was altered to be for the undisputed championship.