Chelsea forward Mykhailo Mudryk has failed a doping test, the Premier League club said on Tuesday, as reports stated the Ukraine international has been provisionally suspended.

New Chelsea manager Mauricio Pochettino underlined the challenges that engulfed Enzo Fernandez, Mykhailo Mudryk and Raheem Sterling in the last season but said he will help the trio reach their full potential with the help of a customised training regime.

Chelsea and Shakhtar Donetsk are close to an agreement over the transfer of Ukraine forward Mykhailo Mudryk to the Premier League team, both clubs said on Saturday.