UFC 22: Only One Can be Champion

Pride Shockwave 2006 was a mixed martial arts event held by Pride Fighting Championships on December 31, 2006. In Japan, this event was called Pride Otoko Matsuri 2006: Fumetsu

UFC 17: Redemption was a mixed martial arts event held by the Ultimate Fighting Championship on May 15th, 1998 at the Mobile Civic Center, in Mobile, Alabama. The event was seen live on pay per view in the United States, and later released on home video.

UFC 18: The Road to the Heavyweight Title was a mixed martial arts event held by the Ultimate Fighting Championship on January 8, 1999 in New Orleans, Louisiana. The event was seen live on pay per view in the United States, and later released on home video.

UFC 23: Ultimate Japan 2 was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 1999 at Tokyo Bay NK Hall in Tokyo, Japan.

UFC 24: First Defense was a mixed martial arts event held by the Ultimate Fighting Championship on March 10, 2000 at the Lake Charles Civic Center in Lake Charles, Louisiana.

UFC 26: Ultimate Field Of Dreams was a mixed martial arts event held by the Ultimate Fighting Championship on June 9, 2000 in Cedar Rapids, Iowa. The main card featured Welterweight Champion Pat Miletich defending his title against John Alessio, and Heavyweight Champion Kevin Randleman defending his title against Pedro Rizzo.

UFC 28: High Stakes was a mixed martial arts event held by the Ultimate Fighting Championship on November 17, 2000 at the Trump Taj Mahal in Atlantic City, New Jersey

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 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 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 44: Undisputed was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center on the Las Vegas Strip in Paradise, Nevada. Headlining the card was a light heavyweight championship unification bout between Tito Ortiz and Randy Couture.

UFC 45: Revolution was a mixed martial arts event held by the Ultimate Fighting Championship at the Mohegan Sun Casino in Uncasville, Connecticut. This event marked the 10th anniversary of the UFC and to celebrate the anniversary the UFC inaugurated its Hall of Fame, with Royce Gracie and Ken Shamrock as the first inductees.

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.

UFC 49: Unfinished Business was a mixed martial arts event held by the Ultimate Fighting Championship at the MGM Grand Arena in Las Vegas, Nevada. It featured the anticipated rubber match between Light Heavyweight Champion Vitor Belfort and Randy Couture, following a disappointing doctor's stoppage in their last encounter at UFC 46.

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.