The first half was initially lit up by David de Gea’s wonder saves – before things REALLY got going.
The game sparked into life when Ander Herrera was given his marching orders after a second yellow following a foul on Eden Hazard.
But, as often is the case with any football match involving Jose Mourinho, it still somehow managed to revolve all around him.
He clashed with rival Antonio Conte on the touchline, before Blues fans – who used to idolise the Portuguese – promptly turned on him.
Our Chief Football Reporter John Cross is at Stamford Bridge and explains how it went down.