Judo: Japan's London Olympic champ Kaori Matsumoto to retire

Japan's London Olympic judo champion Kaori Matsumoto will close the curtain on her competitive career, a source close to the 31-year-old said Saturday.Also a two-time world champion, Matsumoto said in November she would retire from the front line of the sport following her first-round loss at the Kodokan Cup, one of the qualifying events for this year's world championships.But she also said at the time that there was a 50-50 chance she would continue to compete at a lower level.Dubbed the "beast" for her aggressive fighting style, Matsumoto won the women's 57-kilogram division at the 2012 L…READ FULL ARTICLE