UFC 33: Victory in Vegas was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center on the Las Vegas Strip in Las Vegas, Nevada on September 28, 2001. 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.

Pride Bushido 8 was a mixed martial arts event held by Pride Fighting Championships. It took place at the Nagoya Rainbow Hall in Nagoya, Japan on July 17, 2005.

Shooto: 10th Anniversary Event[6] was an event held on May 29, 1999, at The Yokohama Cultural Gymnasium in Yokohama, Kanagawa, Japan.