Simon Marcus (born 5 November 1986), also known as The One, is a Canadian mixed martial artist and former Muay Thai kickboxer, who competes in the Light Heavyweight and Cruiserweight divisions.
After moving to a new school, he discovered Ajahn Suchart Yodkerepauprai's Siam No.1 Muay Thai gym nearby and promptly began training there.
[4] Marcus took up Muay Thai at sixteen and achieved success as an amateur initially by medaling at three international tournaments as well as capturing the North American Cruiserweight Championship.
He began his amateur career in 2006 and came to prominence by taking a gold medal at the 2007 IFMA World Championships at −81 kg/178 lb before finishing runner-up the following year.
2010 also saw his take notable wins over Filip Verlinden, Kun Khmer legend Eh Phoutong and Japanese Kyokushin stylist Ryuta Noji.
[9] In 2011, Marcus was scheduled to face former Rajadamnern Stadium champion Kaoklai Kaennorsing in Anaheim, California, United States, but the bout fell through.
[21] Following the fight, Schilling's camp made the accusation that the sweep that Marcus used to daze him initially was illegal and appealed to the Nevada State Athletic Commission to have the bout result overturned to a no contest, which was rejected.
[25] On 21 April 2012, Marcus defeated two opponents the same night at the Qianjiang World Muay Thai King Challenge in Beijing, China.
[39] He instead returned to action with a third round elbow KO of Sweden's Sadibou Sy at Muay Thai in America: In Honor of the King in Los Angeles, California, on 1 December 2012 to end the year with a perfect 6–0 record.
[49][50][51] Although a closely contested bout, it was Marcus' clinching skills that once again made the difference as he took the unanimous decision win and establish himself as world #1.
[61] On 27 April 2013, in a close fight, Marcus defeated Dmitry Valent by split decision at C3: King of Fighters in Chengdu, China.
[70][71] He fought to a controversial majority draw with Chidi Njokuani on the Push Kick Promotions: Muay Thai World Stand Off 5 card in Las Vegas on 29 September 2013.
[72][73] Njokuani started the fight well, using footwork to control the ring, but Marcus soon got inside and began landing knees and elbows from the clinch.
Marcus was docked a point by referee Tony Weeks for landing a second low blow in round three and the fight turned into a brawl towards the end.
Simon Marcus then took to the microphone, calling Chidi Njokuani a "bitch" for his unwillingness to fight in the clinch and questioning the judges knowledge of the Muay Thai scoring system.
[75][76] Simon Marcus utilized elbows and knees heavily as he outpointed Damian Bujan en route to a split decision win at Ultra Elite Fighters V: Argentina vs.
[81] Marcus won the -80 kg/176 lb tournament at Wu Ling Feng: Kunlun Fight 2 in Zhengzhou, China, on 16 February 2014.
Marcus was docked a point by referee "Big" John McCarthy for dropping his mouthpiece numerous times and, now forced to go for the knockout, was caught by a counter right cross from Schilling in the last twenty seconds of the fight which left him unconscious on the mat and with the first loss of his professional career.