Chelsea manager Antonio Conte is aware his side need to be 'perfect' if they are to get past Chelsea in the last 16 of the Uefa Champions League. Eddie Keogh / Reuters
Chelsea manager Antonio Conte is aware his side need to be 'perfect' if they are to get past Chelsea in the last 16 of the Uefa Champions League. Eddie Keogh / Reuters

Antonio Conte: Chelsea need to be 'perfect' to stop Barcelona and Lionel Messi in Uefa Champions League