Ethan Nwaneri stole the spotlight with two goals in a 5-1 win against Bolton on a memorable night in which 16-year-old goalkeeper Jack Porter became the youngest player in the club's history to start a match.
Diogo Jota scored twice as Liverpool got their Carabao Cup defence off to a winning start with a 5-1 victory over West Ham.
Chelsea manager Enzo Maresca urged his second-string players to show they are "serious" before they went out and beat Barrow 5-0 in the Carabao Cup.
Enzo Maresca made 11 changes to his Chelsea line-up for the visit of Barrow in the Carabao Cup, but the result was never at risk as Christopher Nkunku's hat-trick secured a 5-0 romp.
Manchester City survived a late scare to get back to winning ways after Sunday's draining draw against Arsenal with a 2-1 defeat of Watford in the Carabao Cup.
Liverpool teenager Trey Nyoni could make his first appearance under Arne Slot when the Carabao Cup champions kick off their title defence.