
Diego Costa of Chelsea falls down with injury during the English Premier League match between Chelsea and Middlesbrough at the Stamford Bridge Stadium in London, Britain on May 8, 2017. Chelsea won 3-0. (Xinhua/Han Yan)

Diego Costa of Chelsea falls down with injury during the English Premier League match between Chelsea and Middlesbrough at the Stamford Bridge Stadium in London, Britain on May 8, 2017. Chelsea won 3-0. (Xinhua/Han Yan)