K-1 World Grand Prix 2002 Final was a kickboxing event promoted by the K-1. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday, December 7, 2002 in front of 74,500 spectators. It was the tenth K-1 World Grand Prix final, involving ten of the world's top fighters (two being reservists), with all bouts fought under K-1 Rules (100 kg/156-220 lbs). The eight finalists had almost all qualified via preliminary events, while two additional fighters were invited as reserve fighters (for more detail on this see bulleted list below). In total there were ten fighters at the event, representing eight countries.

K-1 World Grand Prix 2006 in Tokyo Final was a kickboxing promoted by the K-1. The tournament qualifiers had all qualified via elimination fights at the K-1 World Grand Prix 2006 in Osaka Opening Round. Losing fighters Musashi and Ray Sefo were invited as reserve fighters while Badr Hari and Paul Slowinski would face one another in a 'Super Fight'. Peter Aerts and Melvin Manhoef were also invited to the event as reservists. As well as tournament bouts there were also a number of 'Opening Fights' primarily involving local fighters, fought under K-1 Rules. In total there were eighteen fighters at the event, representing ten countries.

Pride Total Elimination 2 was a mixed martial arts event held by Pride Fighting Championships. This event consisted of the first round of the 2004 Heavyweight Grand Prix. It took place on April 25th, 2004, at the Saitama Super Arena in Saitama, Japan.

Pride 23: Championship Chaos 2 was a mixed martial arts event held by Pride Fighting Championships. It took place at the Tokyo Dome in Tokyo, Japan on November 24, 2002.

Pride 16: Beasts From the East was a mixed martial arts event held by the Pride Fighting Championships on September 24, 2001 at the Osaka Castle Hall in Japan. The fight card featured 7 fights that night, including the return of Don Frye to MMA. In the United States the event was marketed as "Beasts From The East", the first of two events to use that name (Pride 22 is Beasts From The East 2)".

Pride 21: Demolition was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Saitama Super Arena in Saitama, Japan on June 23, 2002.

Pride 18: Cold Fury 2 was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Marine Messe Fukuoka in Fukuoka, Japan on December 23, 2001.

Pride 17: Championship Chaos was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Tokyo Dome in Tokyo, Japan on November 3, 2001. This event also saw the crowning of the first Pride FC Heavyweight and Middleweight champions.

K-1 World Grand Prix 2005 in Tokyo Final was a kickboxing event promoted by the K-1. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday, November 19, 2005 in front of 58,213 spectators. It was the thirteenth K-1 World Grand Prix final, involving twelve of the world's best K-1 fighters (four being reservists), with all bouts fought under K-1 Rules (100 kg/156-220 lbs). The tournament qualifiers had almost all qualified via the K-1 World Grand Prix 2005 in Osaka - Final Elimination with the exception of Remy Bonjasky who was the reigning champion. As well as tournament matches there was also an 'Opening Fight' fought under K-1 Rules between Patrick Barry and Alexander Pitchkounov. In total there were fourteen fighters at the event, representing eleven countries

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.