Michael Lee Moorer is an American former professional boxer who competed from 1988 to 2008. He won a world championship on four occasions in two weight classes, having held the WBO light heavyweight title from 1988 to 1991; compiling 22 straight KOs in 22 fights and the WBO heavyweight title from 1992 to 1993; the unified WBA, IBF and lineal heavyweight titles in 1994; and regained the IBF heavyweight title again from 1996 to 1997 becoming a three-time heavyweight world champion.
Raymond Anthony Mercer is an American former professional boxer, kickboxer, and mixed martial artist who competed from 1989 to 2009. Best known for his boxing career, Mercer won a heavyweight gold medal at the 1988 Summer Olympics as an amateur, and later held the WBO heavyweight title in 1991 as a professional, making one successful title defense against Tommy Morrison before vacating his championship. Though he fought and lost a controversial unanimous decision fight to former champion Evander Holyfield, he scored a notable unanimous decision win over two-time heavyweight champion Tim Witherspoon in 1996. Throughout his entire fighting career in the 1990s, Mercer never lost a fight to stoppage, a testament to his iron jaw and dangerous resilience as a boxer.
Rick John Roufus is a retired American kickboxer. He has also competed professionally in boxing and mixed martial arts. An accomplished professional fighter throughout his competitive career, Roufus has won multiple world championships across the globe in several weight classes. He was world champion as a super middleweight, light heavyweight and heavyweight. Roufus held titles for all the major kickboxing associations worldwide, and is known for his boxing skills and powerful kicks.
Heavyweight is a weight class in combat sports and professional wrestling.
Joe Lewis was an American martial artist, professional kickboxer and actor. Originally a practitioner of Shōrin-ryū karate and champion in point sparring competitions, he became one of the fathers of full contact karate and kickboxing in the United States, and is credited with popularizing the combat sport in North America.
Roberto Garcia Cortez is a Mexican-American former professional boxer who competed from 1992 to 2001, and held the IBF junior lightweight title from 1998 to 1999. He has since worked as a boxing trainer, and was voted Trainer of the Year by The Ring magazine in 2011, and by the Boxing Writers Association of America in 2012. He is the older brother of professional boxer Mikey Garcia, who was a world champion in four weight classes.
David "Bomber" Pearce was a Welsh heavyweight boxing champion.
Tyrone Clinton Spong is a Surinamese-Dutch professional boxer and mixed martial artist and former kickboxer. As a boxer, he held the WBC and WBO Latino heavyweight titles in 2018. In kickboxing, he is the former WFCA cruiserweight champion, Glory 95kg Slam Champion and It's Showtime 95MAX World champion.
Stefan Leko is a German heavyweight kickboxer. He is the current WKA Super-Heavyweight world champion in kickboxing, and former Muay Thai world super-heavyweight champion and Kickboxing world super-heavyweight champion, WMTA, WKN, IKBO, IKBF, and WKA world champion, K-1 European Grand Prix 1998 champion, 1999 K-1 Dream champion and two time K-1 World Grand Prix in Las Vegas tournament champion. He fights out of Team Golden Glory in Breda, Netherlands under Cor Hemmers. Since 2011 Stefan Leko is coached and managed by Tom Trautsch and won two Heavyweight World Champion Titles.
Lee Hasdell is a British martial artist, promoter and former professional kickboxer and mixed martial artist. Hasdell is considered by many to be a pioneer of mixed martial arts in the United Kingdom, particularly in the 1990s, when he drove a great deal of innovation in the field. Hasdell promoted the first professional mixed martial arts events in the UK and helped develop many of the standards within the British MMA scene of today.
'Iceman' John Scully is a former American boxer. Formerly a world-ranked professional light heavyweight, he is now a boxing trainer who has trained two light heavyweight champions in Chad Dawson and Artur Beterbiev and is an analyst for the ESPN Classic television network. John is also known for his work with disadvantaged former fighters and charity for them as well as organizing events targeting former amateur standout fighters and reconnecting them with the boxing community.
In combat sports where champions are determined by challenge, the lineal championship in a weight class represents an intangible world title first held by the victor of a bout between top contenders in the division. A fighter who defeats the reigning champion in a match within the same weight class becomes the next lineal champion. In professional boxing, the lineal champion is informally known as "the man who beat the man."
Konstantin Gluhov is a Latvian heavyweight kickboxer and mixed martial artist of Russian descent. He is a former WPKA World Muaythai champion, currently competing in K-1. He made his K-1 debut in 2006 at K-1 Fighting Network Riga 2006 against Denis Sobolyev.
Vitali Akhramenko is a Belarusian Heavyweight kickboxer and a former World Muay Thai champion. He is trained by Andrei Gridin and is fighting out of Chinuk Gym, Minsk, Belarus. He made his K-1 debut in 2001 at K-1 Czech Grand Prix 2001 in Prague against Takeru.
Izuagbe Ugonoh is a Polish mixed martial artist and former professional boxer and kickboxer. He is a graduate of the Jędrzej Śniadecki University School of Physical Education and Sport in Gdańsk.
Enrico Kölling, occasionally spelled Koelling or Kolling, is a German professional boxer who challenged for the IBF light-heavyweight title in 2017.
Denis Alexandrovich Grachev is a Russian boxer, kickboxer, and mixed martial artist residing in the United States. Grachev was the IKF Muay Thai world light cruiserweight champion.
Frank Muñoz is a Spanish heavyweight kickboxer, who has competed in the SUPERKOMBAT Fighting Championship, where he is a former 2013 SUPERKOMBAT World Grand Prix Tournament Champion. He is also the former WAKO-Pro K-1 European champion.
Arnold Gjergjaj is a Swiss professional boxer. In 2014 he won the EBU-EE version of the European heavyweight title, becoming the first boxer fighting under a Swiss license to do so.
Nailini Inaise Vae Helu is a professional boxer who lives in New Zealand.
