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 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 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.

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 Total Elimination 3 was a mixed martial arts event held by Pride Fighting Championships. This event marked the first round of the Middleweight tournament. It took place on April 23rd, 2005, at the Osaka Dome in Osaka, Japan.

Pride Final Conflict 2 was a mixed martial arts event held by Pride Fighting Championships. This event held the final round of the 2004 Heavyweight Grand Prix Tournament. It took place at the Saitama Super Arena on August 15th, 2004.

Pride Shockwave 2004 (marketed in Japan as "Otoko Matsuri - Sadame") was a mixed martial arts event held by Pride Fighting Championships. The event took place at the Saitama Super Arena on December 31st, 2004. This event held the final bout of the 2004 Heavyweight Grand Prix because it had ended in a no contest at the Final Conflict event back in August.

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

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.

Pride Shockwave 2003 (Otoko Matsuri in Japanese) was a mixed martial arts event held by the Pride Fighting Championships. Gary Goodridge announced he would retire from Pride. It took place at the Saitama Super Arena in Saitama, Japan on December 31, 2003.