Yet Europe has offered a reminder that this Chelsea squad is still a work in progress. Their previous Champions League outing ended in a 2-2 draw against Qarabag, a result that underlined both their attacking invention and lingering defensive vulnerability.

A wonderful London derby takes place on Sunday as title-chasing Chelsea host current leaders Arsenal.

Chelsea enter the match in third place following Sunday's 1-1 draw against Arsenal. Enzo Maresca will look to keep The Blues pushing in the right direction.