Ujah’s B-sample tests positive, case referred to CAS By webmaster - September 14, 2021 270 0 British sprinter CJ Ujah’s B-sample has tested positive and his case will be referred to the Court of Arbitration for Sport. RELATED ARTICLES Sports Nelson: AJ could be in ‘world of trouble’ against Fury Sports Premier League Darts 2027 dates and venues revealed as Littler defends title Sports Doyle: Sun Goddess to scoop Cheveley Park prize