Team news
Harry Kane remains out for Tottenham Hotspur, but Jose Mourinho has revealed the forward could return next week.
Serge Aurier is back in the squad, but Sergio Reguilon, Giovani Lo Celso and Dele Alli remain out.
Kai Havertz and Kurt Zouma are both doubtful for Chelsea.
Did you know?
Spurs are the only side still unbeaten in Premier League London derbies this season, although they have won just one of their five such matches (D4).
Jose Mourinho is seeking to avoid losing consecutive Premier League home matches for the first time.
Chelsea are unbeaten in their last four PL meetings with Spurs (W3 D1), keeping a clean sheet in three of these contests.
Thomas Tuchel can become the first Chelsea manager to keep a clean sheet in each of his first three PL matches since Mourinho in August 2004.
Match officials
Referee: Andre Marriner. Assistants: Scott Ledger, Simon Long. Fourth official: Andy Madley. VAR: Stuart Attwell. Assistant VAR: Adam Nunn.