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 middle weight, light heavyweight and heavyweight. Roufus held titles for all the major kickboxing associations worldwide, and is known for his boxing skills and powerful kicks. He is the older brother of Duke Roufus who is also a kickboxer and a Muay Thai and mixed martial arts instructor. Rick Roufus is the Global Director of Fighter Development for PKA Worldwide. In 2012 Rick Roufus was inducted into the World Kickboxing League Hall of Fame.
Jörgen Ingmar Kruth is a retired Swedish professional kickboxer and mixed martial artist. He is a former two time World Muay Thai Council Heavyweight Muaythai World Champion. He is considered to be among the greatest Scandinavian kickboxers of all time.
Jeffrey Ryan "Duke" Roufus is an American former kickboxer and head coach of the Roufusport based in Milwaukee, Wisconsin, United States. He is a well-known striking coach in North America.
Ray Sefo is a New Zealand fight promoter and retired kickboxer, boxer, and mixed martial artist of Samoan descent. He was the K-1 World Grand Prix 2000 Runner-up, is a six-time Muay Thai World Champion, and was an eight time K-1 World Grand Prix Finals tournament participant. He is the president of MMA promotion Professional Fighters League. In kickboxing, he defeated world champions Jerome Le Banner, Peter Aerts, Stefan Leko, Mike Bernardo, and Mark Hunt. He is widely considered to be one of the greatest heavyweight kickboxers to have never won the K-1 World Grand Prix. As mixed martial artist, he most notably competed in the now defunct Strikeforce in 2009 and 2011.
Michael Anthony McDonald is a Canadian retired heavyweight kickboxer. Nicknamed "the Black Sniper", he is the former three-time K-1 USA Grand Prix Champion.
Maurice L. Smith is a retired American kickboxer and mixed martial artist. In kickboxing, he held the WKC world light heavyweight championship, the WKA world heavyweight championship, and the ISKA world heavyweight championship. In mixed martial arts, he held the Heavyweight championship in Battlecade Extreme Fighting and the UFC, and became a member of the UFC Hall of Fame in 2017. A professional competitor since 1980, Smith has formerly competed in kickboxing for the companies All Japan Enterprise and K-1, Pancrase, RINGS, PRIDE, Strikeforce, International Fight League and RFA.
Valentijn Overeem is a Dutch retired professional mixed martial artist and kickboxer. A professional competitor since 1996, he has previously fought for the PRIDE Fighting Championships, RINGS, KSW, the World Fighting Alliance, K-1, M-1 Global, Its Showtime, World Victory Road, and Strikeforce. He is the older brother of fellow MMA Superstar Alistair Overeem. Overeem has notable wins over fighters such as Randy Couture and Renato Sobral.
Gary Henry Goodridge, nicknamed "Big Daddy", is a Trinidadian-Canadian former heavyweight kickboxer and mixed martial artist fighting out of Barrie, Ontario. Prior to kickboxing and MMA, he was also one of the top ranked contenders in the world of professional arm wrestling. In early 2012, Goodridge was diagnosed with early onset of chronic traumatic encephalopathy (CTE).
Ruslan Savelyevich Karaev (Karayev) (Russian: Русла́н Саве́льевич Кара́ев, romanized: Ruslan Savelyevich Karayev; Ossetian: Хъараты Савелийы фырт Руслан, romanized: Qaraty Savelijy fyrt Ruslan; born May 19, 1983) is a Russian kickboxer. He is K-1 World GP 2005 in Las Vegas and K-1 World Grand Prix 2008 in Taipei tournament champion. He joined the Golden Glory's K-1 stable, training under Cor Hemmers.
Renato Sobral da Cunha, also known as "Babalu", is a retired Brazilian Luta Livre submission grappler, mixed martial artist, and was the former Strikeforce Light Heavyweight Champion. Sobral previously fought in the Ultimate Fighting Championship, where he posted a 6–4 record and has also competed for Bellator, RINGS, Jungle Fight, Cage Rage, Affliction, and ONE Championship. He is the Head Instructor of Babalu's Iron Gym Cerritos and has a Luta Livre black belt under Marco Ruas and also a Brazilian jiu-jitsu black belt under Carlos Gracie Jr.
Mark Allen Selbee was an American kickboxer from Atlanta, Georgia. He began his interests in Martial Arts at Sun Yi's Academy, where he rose up in the ranks to a Certified Master Instructor. He had recently expanded his knowledge of martial arts to include Brazilian jiu jitsu and trained out of Knuckle Up Fitness in Atlanta.
Trevor Prangley is a South African mixed martial artist. He has fought in the UFC, Strikeforce, Bellator, Dream, King of the Cage, MFC, the SFL, Shark Fights, and Bodog Fight. He competed in the Middleweight and Light Heavyweight divisions. He was the former King of the Cage Light Heavyweight Champion, the former Shark Fights Light Heavyweight Champion, and the former MFC Light Heavyweight Champion.
Rameau Thierry Sokoudjou Nkamhoua, mostly billed simply as Sokoudjou, is a Cameroonian professional mixed martial artist. A professional competitor since 2006, Sokoudjou is the former KSW Light Heavyweight Champion, and has also competed for PRIDE, the UFC, WEC, Affliction, Strikeforce, K-1, DREAM and Bellator.
Siala-Mou Siliga, often billed as Mighty Mo is a former American Samoan kickboxer, bare knuckle boxer, boxer and mixed martial artist who competed in the Heavyweight division. At the age of 22, he got his nickname from his former American football coach after the battleship USS Missouri. His K-1 achievements include winning the K-1 World Grand Prix 2004 in Las Vegas II and the K-1 World Grand Prix 2007 in Hawaii tournaments. In mixed martial arts, he has competed for K-1 Hero's, Bellator MMA, DREAM, Road FC and also participated in the Dynamite!! USA and Dynamite!! 2008 events. On September 24, 2016, Siliga won the Road FC Openweight Tournament at Road FC 33 by knocking out Choi Hong-man of South Korea.
Pat Barry is an American former professional mixed martial artist and kickboxer who competed as a heavyweight in the Ultimate Fighting Championship. He is particularly known for his low kicks.
Rafael Cavalcante, often known by his nickname of Feijão, is a Brazilian mixed martial artist who fights in the light heavyweight division. He is currently competing for Bellator MMA. He trains with Anderson Silva and Antônio Rodrigo Nogueira as part of the Black House camp. He formerly competed in Strikeforce, where he was at one time Strikeforce Light Heavyweight Champion. His nickname means "bean" in Portuguese. He holds notable wins over Muhammed "King Mo" Lawal and Yoel Romero.
James Adam McSweeney is a retired British kickboxer and retired mixed martial artist. A professional MMA competitor since 2005, McSweeney is well known for being a cast member of Spike TV's The Ultimate Fighter: Heavyweights and competing in the UFC, but he has also competed in major European promotions such as KSW, Cage Rage and BAMMA.
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.
Shane Kalani del Rosario was an American professional mixed martial artist and kickboxer. He competed in the Ultimate Fighting Championship's Heavyweight division, Strikeforce, M-1 Global, ShoXC, and King of the Cage. He held the distinction of being the first American to become the WBC Muay Thai World Heavyweight Champion.
Antwain Britt is an American professional mixed martial artist who last competed in Strikeforce's Middleweight division. While perhaps best known for his stint with the Strikeforce organization, he also fought in YAMMA Pit Fighting, and was a contestant on The Ultimate Fighter 8.
