Chelsea midfielder Nemanja Matic is set to return after missing last weekend's win over Manchester City with a muscular problem.
Diego Costa and Pedro are fit after being forced off during that match, but Oscar misses out because of illness.
James Morrison and Gareth McAuley are fitness doubts for West Brom.
The pair have not trained this week because of unspecified injuries and will be assessed, while Saido Berahino remains out as he builds up fitness.
MOTD COMMENTATOR'S NOTES
Simon Brotherton: "If Chelsea winning 3-1 away at Manchester City last week was something of a surprise, then the fact West Brom are seventh in the table ahead of the latest round of fixtures is arguably an even bigger one.