West Brom are without the suspended Kieran Gibbs, while loanee Conor Gallagher is ineligible to face his parent club.
Ahmed Hegazi is back in training after recovering from a hamstring problem.
Ben Chilwell and Thiago Silva could make their first league starts for Chelsea, while new goalkeeper Edouard Mendy is also under consideration.
Andreas Christensen is banned, while Hakim Ziyech and Christian Pulisic remain unavailable because of injuries.
LAWRO'S PREDICTION
Chelsea's defeat by Liverpool last week was a bit of a reality check for them. Frank Lampard's side looked pretty ordinary at times, and it was a reminder of where they are at - he is still trying to work out what his best team is, with all their new signings.