UFC 31: Locked and Loaded was a mixed martial arts event held by the Ultimate Fighting Championship at the Trump Taj Mahal in Atlantic City, New Jersey on May 4, 2001. The event was seen 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 30: Battle on the Boardwalk was a mixed martial arts event held by the Ultimate Fighting Championship at the Trump Taj Mahal in Atlantic City, New Jersey on February 23, 2001. UFC 30 was also the first UFC event since UFC 22 to see a home video release.

UFC 21: Return of the Champions was a mixed martial arts event held by the Ultimate Fighting Championship on July 16, 1999 at the Five Seasons Events Center in Cedar Rapids, Iowa. The event was seen live on pay per view in the United States, and later released on home video.

UFC 22: Only One Can be Champion was a mixed martial arts event held by the Ultimate Fighting Championship on September 24, 1999 at the Lake Charles Civic Center in Lake Charles, Louisiana.

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 32: Showdown in the Meadowlands was a mixed martial arts event held by the Ultimate Fighting Championship at the Continental Airlines Arena in East Rutherford, New Jersey on June 29, 2001. The event was seen live on pay per view in the United States, and later released on home video.

UFC 15: Collision Course was a mixed martial arts event held by the Ultimate Fighting Championship on October 17, 1997, in Bay St. Louis, Mississippi. The event was seen live on pay per view in the United States, and later released on home video

UFC 19: Ultimate Young Guns was a mixed martial arts event held by the Ultimate Fighting Championship on March 5, 1999 at the Casino Magic in Bay St. Louis, Mississippi. The event was seen live on pay per view in the United States, and later released on home video.

UFC 27: Ultimate Bad Boyz was a mixed martial arts event held by the Ultimate Fighting Championship on September 22, 2000 at Lake Front Arena in New Orleans, Louisiana.

UFC 16 was an MMA event held by the UFC on March 13, 1998 in New Orleans, Louisiana, live on pay per view in the USA and later released on home video. It featured the first UFC Lightweight tournament, a Middlteweight Championship bout, a Heavyweight and a Middleweight Superfight.

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 29: Defense of the Belts was a mixed martial arts event held by the Ultimate Fighting Championship on December 16, 2000 at Differ Ariake Arena in Tokyo, Japan.

UFC 14: Showdown was a mixed martial arts event held by the Ultimate Fighting Championship on July 27, 1997 in Birmingham, Alabama. The event was seen live on pay-per-view in the United States, and later released on home video.

UFC 25: Ultimate Japan 3 was a mixed martial arts event held by the Ultimate Fighting Championship on April 14, 2000 at the Yoyogi National Gymnasium in Tokyo, Japan.

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 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 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 20: Battle for the Gold was a mixed martial arts event held by the Ultimate Fighting Championship on May 7, 1999 at the Boutwell Auditorium in Birmingham, Alabama. The event was seen live on pay per view in the United States, and later released on home video.