Japan's Ken Matsui won the men's 55-kilogram Greco-Roman title Friday at the wrestling world championships, outpointing reigning European champion Emin Sefershaev of Russia 7-1 in the final.With his victory in the non-Olympic weight division, world championship debutant Matsui claimed Japan's fifth gold medal of the tournament in Oslo.He also became the country's youngest-ever Greco-Roman world champion at 20 years and eight months, according to the Japan Wrestling Federation."I wasn't expecting to win, so I'm really surprised. I was facing a superior opponent in the final, so I decided to …READ FULL ARTICLE