Enzo Fernandezs stoppage-time winner capped Chelseas thrilling fightback from two goals down to beat West Ham 3-2 in a dramatic London derby on Saturday.
Liam Roseniors side trailed to first-half goals from Jarrod Bowen and Crysencio Summerville at Stamford Bridge.
But Chelsea ignored the half-time jeers from their angry fans, staging a brilliant revival after the break.