Chelsea have won their last seven away London derbies in the Premier League, an all-time record in the top four tiers of English football. The Blues have kept six clean sheets in this run, with their only goal conceded to Christian Benteke in April.
West Ham United have won three of their last six home Premier League matches against Chelsea (D1 L2), as many as they had in their previous 14 such encounters against them in the competition (D3 L8).
West Ham have lost two of their last four Premier League London derbies (W1 D1), as many as they had in their previous 10 such contests (W4 D4). However, they won their last derby match in the competition against Tottenham Hotspur, last winning consecutive meetings with London clubs in January 2019 during a run of three.
Chelsea did the league double over West Ham last season. They last won three in a row against them in the top flight between March 2010 and April 2011.
Referee: Andre Marriner. Assistants: Simon Long, Richard West. Fourth official: Andy Madley. VAR: Darren England. Assistant VAR: Simon Bennett.
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