Sergio Wielzen was born on November 1,1987 and is a Surinamese-Dutch Muay Thai kickboxer.
11 Facts About Sergio Wielzen
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Sergio Wielzen was the It's Showtime 61MAX world champion as well as the Lion Fight Muay Thai world lightweight champion.
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An explosive fighter despite his short stature, Sergio Wielzen worked his way up through the ranks finishing many of his opponents and was becoming noticed as one of the top young prospects at -61 kg in the Netherlands.
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Contender title against Imed Boukouayel - Sergio Wielzen would become involved with the It's Showtime organization, making his debut in Milan and defeating local fighter Matteo Lippi by knockout.
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Towards the end of 2010, Sergio Wielzen was called up to face Frenchman Mikael Peynaud for the first ever It's Showtime 61MAX world title.
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In March 2011, Sergio Wielzen defended his It's Showtime world title but was unable to retain his crown, losing by majority decision after five rounds to Karim Bennoui at the event in Brussels.
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Sergio Wielzen lost to Emerson Falcao via unanimous decision at It's Showtime 60 in Sao Paulo, Brazil on November 10,2012.
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Sergio Wielzen got his first win of the year when he knocked out Sasa Jovanovic in round one at Vendetta VI in Vienna, Austria on December 8,2012.
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Sergio Wielzen knocked out Alexei Blinov in the first round at Era of Champions in Cheboksary, Russia on March 14,2013.
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Sergio Wielzen lost a wide unanimous decision to former Lumpinee Stadium champion Kaoponlek after being floored in round one at Glory 7: Milan in Milan, Italy on April 20,2013.
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Sergio Wielzen rematched Masahiro Yamamoto at RISE 94 in Tokyo, Japan on July 20,2013, and fell victim to a second round high kick from the Japanese fighter.