UFC 37.5: As Real As It Gets

UFC 2: No Way Out (later renamed UFC 2 or The Ultimate Fighting Championship 2) was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on March 11, 1994, at Mammoth Gardens in Denver, Colorado. The tournament had no weight classes or weight limits. Matches had no time limit or rounds, therefore no judges were used. Competitors could only win a match by submission, by the opponent's corner throwing in the towel, or by knockout.

UFC 3: The American Dream was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on September 9, 1994, at Grady Cole Center in Charlotte, North Carolina. The event was seen live on pay-per-view in the United States, and was later released on home video.

UFC 4: Revenge of the Warriors was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on December 16, 1994, at the Expo Center Pavilion in Tulsa, Oklahoma. The event was seen live on pay-per-view, and later released on home video.

UFC 5: The Return of the Beast was a mixed martial arts event held by the Ultimate Fighting Championship on April 7, 1995, at the Independence Arena in Charlotte, North Carolina. The event was seen live on pay per view in the United States, and later released on home video.

UFC 6: Clash of the Titans was the sixth mixed martial arts event held by the Ultimate Fighting Championship on July 14, 1995, at the Casper Events Center in Casper, Wyoming. The event was seen live on pay per view in the United States, and later released on home video.

UFC 7: The Brawl in Buffalo was a mixed martial arts event held by the Ultimate Fighting Championship on September 8, 1995, at the Memorial Auditorium in Buffalo, New York. The event was seen live on pay per view in the United States, and later released on home video.

UFC 8: David vs. Goliath was a mixed martial arts event held by Ultimate Fighting Championship on February 16, 1996, at Ruben Rodriguez Coliseum in San Juan, Puerto Rico. The event was broadcast live on pay per view in the United States, and later released on home video.

UFC 9: Motor City Madness was a mixed martial arts event held by the Ultimate Fighting Championship on May 17, 1996, at the Cobo Arena in Detroit, Michigan. The event was seen live on pay per view in the United States, and later released on home video.

UFC 11: The Proving Ground was a mixed martial arts event held by the Ultimate Fighting Championship on September 20th, 1996, at the Augusta Civic Center in Augusta, Georgia. The event was broadcast live on pay-per-view in the United States, and later released on home video.

UFC 13: Ultimate Force was a mixed martial arts event held by the Ultimate Fighting Championship on May 30, 1997 in Augusta, Georgia. The event was seen live on pay per view in the United States, and later released on home video.

UFC 35: Throwdown was a mixed martial arts event held by the Ultimate Fighting Championship at the Mohegan Sun Arena in Uncasville, Connecticut on January 11, 2002. The event was seen live on pay per view in the United States, and later released on home video.

UFC 36: Worlds Collide was a mixed martial arts event held by the Ultimate Fighting Championship at the MGM Grand Arena on the Las Vegas Strip in Paradise, Nevada on March 22, 2002. The main event was a Heavyweight Championship Bout between Josh Barnett and the holder, Randy Couture.

UFC 37: High Impact was a mixed martial arts event held by the Ultimate Fighting Championship at the CenturyTel Center in Bossier City, Louisiana on May 10, 2002. The event was seen live on pay per view in the United States, and was later released on home video.

UFC 38: Brawl at the Hall was a mixed martial arts event held by the Ultimate Fighting Championship. It took place at the Royal Albert Hall in London, England, on July 13, 2002. The event was seen on pay per view in the United States, and was later released on home video.

UFC 39: The Warriors Return was a mixed martial arts event held by the Ultimate Fighting Championship on September 27, 2002, at the Mohegan Sun Arena in Uncasville, Connecticut. The event was broadcast live on pay per view in the United States, and was the first UFC event to be released on DVD.

UFC 40: Vendetta was a mixed martial arts event held by the Ultimate Fighting Championship on November 22, 2002, at the MGM Grand Arena on the Las Vegas Strip in Paradise, Nevada. The event was broadcast live on pay per view in the United States, and later released on DVD. UFC 40 contained one of the biggest, most important and most anticipated fights in UFC history, a UFC Light Heavyweight Championship fight between rivals Tito Ortiz and Ken Shamrock. Shamrock, a popular legendary fighter and former champion from the UFC's early years, was returning to the UFC for the first time since 1996. The fight was coined "the biggest fight in UFC history" by the UFC during the event.

UFC 42: Sudden Impact was a mixed martial arts event held by the Ultimate Fighting Championship at the American Airlines Arena in Miami, Florida. UFC 42 was the first UFC event to take place in Florida. Headlining the event was a Welterweight Title bout between Matt Hughes and Sean Sherk. UFC 42 also marked the first UFC appearance of future Middleweight Champion Rich Franklin.

UFC 43: Meltdown was a mixed martial arts event held by the Ultimate Fighting Championship on June 6, 2003, at the Thomas and Mack Center in Las Vegas, Nevada. Headlining the card was the Interim Light Heavyweight Championship match between Randy Couture and Chuck Liddell.

UFC 47: It's On! was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center in Las Vegas, Nevada. The title "It's On!" refers to Chuck Liddell and Tito Ortiz' long running negotiations leading up to the fight.

UFC 48: Payback was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center in Las Vegas, Nevada. The featured contestants of the evening were Ken Shamrock and Kimo Leopoldo, who had met once before in 1996 at UFC 8, with Shamrock reigning victorious.