Pride Critical Countdown 2005

UFC Fight Night 83: Cowboy vs. Cowboy was a mixed martial arts event held on February 21, 2016, at the Consol Energy Center in Pittsburgh, Pennsylvania. The event was headlined by a welterweight bout between former UFC Lightweight Championship challenger Donald Cerrone and Alex Oliveira.

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Patrício Freire vs. A.J. McKee (Featherweight) Mads Burnell vs. Emmanuel Sanchez (Featherweight) Usman Nurmagomedov vs. Manny Muro (Lightweight) Brent Primus vs. Islam Mamedov (Lightweight) Goiti Yamauchi vs. Chris Gonzalez (Lightweight)

UFC Fight Night 32: Belfort vs. Henderson 2 was a mixed martial arts event held on November 9, 2013, at the Goiânia Arena in Goiânia, Brazil. The event was headlined by a rematch between longtime multi-divisional contenders Vitor Belfort and Dan Henderson. Henderson defeated Belfort in their first encounter in 2006 at Pride 32 in a unanimous decision.

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 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.

Pride 7 was a mixed martial arts event held by the Pride Fighting Championships. It took place on September 12, 1999, at Yokohama Arena in Yokohama, Japan.

Pride 3 was a mixed martial arts event held by KRS-Pride (later renamed Pride Fighting Championships) on June 24, 1998 at the Nippon Budokan in Tokyo, Japan.