The Blues have faced a revolution in playing style under the former Napoli boss, and that has meant some have fared better than others
Arriving at a new club in a new country can be difficult at the best of times, but after six months in charge Maurizio Sarri can largely be content with the work he has done at Chelsea.
Though their form has dropped off in recent weeks after a record-breaking start to Premier League life for the former Napoli boss, signs are that things will only get better for the Blues under the former Napoli boss.