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Stefan Janos (born Janosch Stefan) is a German Sambo, mixed martial artist and Judo practitioner who won the Silver Medal at the 2008 World Sambo Championships, in Men's Combat Sambo. Janosch defeated Pedro Brett (Venezuela), Volodimir Begeza (Ukraine), and Arsen Khachatryan (Armenia) without giving up a point before falling to eventual champion Blagoi Ivanov (Bulgaria) in the final. Janosch has also competed in many grappling competitions, and recently began a career in mixed martial arts.