Chelsea had to settle for a share of the spoils as they drew 1-1 with London rivals West Ham United at the London Stadium.
The Blues completely dominated the opening proceedings and went into a deserved lead when Enzo Fernandez floated the ball into the box for Joao Felix to meet the ball with a cute volley and open his Chelsea account.
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However, West Ham played themselves back into the game and equalised against the run of play as Emerson netted his first Premier League goal to equalise against his old club.