Mykhailo Mudryk has appealed to the court of arbitration for sport after he received a reported four-year playing ban from the FA for the use of a banned substance The Chelsea forward Mykhailo Mudryk has appealed to the court of arbitration for sport after he received a reported four-year playing ban from the Football Association for the use of a banned substance. Mudryk has not played a competitive match since... [1867 chars]