UFC 61: Bitter Rivals

UFC 106: Ortiz vs. Griffin 2 was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on November 21, 2009 at the Mandalay Bay Events Center.

The Ultimate Ultimate 2 (also referred to as "Ultimate Ultimate 1996" and "UFC 11.5") was a mixed martial arts event held by the Ultimate Fighting Championship on December 7, 1996. The event took place at the Fair Park Arena in Birmingham, Alabama, and was broadcast live on pay-per-view in the United States, and released on home video.

The Ultimate Ultimate (also referred to as "Ultimate Ultimate 1995" and "UFC 7.5") was a mixed martial arts event held by the Ultimate Fighting Championship on December 16, 1995, at the Mammoth Gardens in Denver, Colorado. The event was seen live on pay per view in the United States, and later released on home video.

Pride Bushido 10 was a mixed martial arts event held by Pride Fighting Championships. It took place at the Ariake Coliseum in Tokyo, Japan on April 2, 2006. Under BUSHIDO rules, matches are 2 rounds only.

Pride Shockwave 2005 was a mixed martial arts event held by the Pride Fighting Championships at the Saitama Super Arena in Saitama, Japan on December 31, 2005. In Japan, the event was called "Otoko Matsuri 2005 – Itadaki" (Itadaki means victory) The event concluded the Pride Lightweight (73 kg, 161 lb) and Welterweight (83 kg, 183 lb) tournaments of 2005. Takanori Gomi won the Lightweight tournament by knocking out Hayato Sakurai. Dan Henderson won the Welterweight tournament by defeating Murilo Bustamante via split decision. Wanderlei Silva retained his Middleweight Champion title by defeating Ricardo Arona via split decision.

UFC Brazil: Ultimate Brazil (also known as UFC 17.5) was a mixed martial arts event held by the Ultimate Fighting Championship in São Paulo, Brazil on October 16th, 1998. The event was seen on pay per view in the United States and Brazil, and was later released on home video.

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 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.

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 85: Bedlam was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on June 7, 2008, at The O2 Arena in London, United Kingdom. The main event was ultimately changed to Matt Hughes against Thiago Alves. Hughes took the fight on short notice as a favor to the UFC and Alves came in four pounds overweight.

UFC 84: Ill Will was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on May 24, 2008, at the MGM Grand Garden Arena in Las Vegas, Nevada. The card featured the return of Sean Sherk, who was suspended and stripped of his UFC lightweight title after he tested for steroids at UFC 73. He faced B.J. Penn, who had since won the vacated title.