Rio Olympic relay swimmer and 2009 world champion Junya Koga, who could face a four-year ban for failed drug tests, is set to lodge an appeal with the Court of Arbitration for Sport, sources familiar with the matter said Thursday.The 31-year-old Japanese will appeal to CAS's ad hoc court against FINA's decision to suspend him from competition for four years, which would keep him off the national team for the 2020 Tokyo Olympics.Koga said at a hearing before an impartial panel in late August that the positive test resulted from taking dietary supplements, and denied intentional use of banned…READ FULL ARTICLE
