The Chelsea stars were put through their paces at their Cobham training base on Friday ahead of the clash with Burnley.
Antonio Conte's side welcome the Premier League newcomers to Stamford Bridge for Saturday's fixture bidding to continue their winning start to the season.
Victories over West Ham, Watford and Bristol Rovers has given new Blues boss Conte the perfect start to his reign in west London.
Ahead of their clash with the Clarets, the Italian coach was in typical demanding mood as he delivered a training session to his players.