The Blues were under pressure for most of their match with Pep Guardiola's team, but their grit in the face of adversity saw them through
David Luiz felt Chelsea's humility was the key to them defeating a Manchester City team he thinks are "the best in the world".
City were in control from the outset at Stamford Bridge but they fell behind against the run of play when N'Golo Kante steered Eden Hazard's pass into the roof of the net.
Pep Guardiola's decision to play Raheem Sterling through the middle did not work out, while the introduction of Gabriel Jesus in the 53rd minute failed to improve matters.