Olympic hammer throw champion Koji Murofushi pledged Wednesday he will continue to fulfill his duties as the Japan Sports Agency commissioner following news that he is battling illness.A source with knowledge of the matter said the 46-year-old Athens Olympic gold medalist is being treated for a disease, something Murofushi declined to elaborate on, citing privacy. Gossip magazine Shukan Shincho reported in its online edition he is suffering from a malignant brain lymphoma."I'll try not to be influenced by it and carry out my duties properly. I ask for your support," Murofushi told reporters…READ FULL ARTICLE