Chelsea's Diego Costa awaits possible sanction over Arsenal incidents

Diego Costa and Chelsea can today expect to discover from the Football Association if the striker has a case to answer for his role in Saturday’s feisty victory over Arsenal.

Jose Mourinho was seething when Costa was retrospectively sanctioned in February for treading on Liverpool’s Emre Can, part of a perceived “campaign” against his side which included a Sky Sports montage entitled ’Costa’s Crimes’.