Chelsea new boy Pedro starts following his midweek signing from Barcelona
The other signing Baba Rhaman is not in the squad while John Terry and Branislav Ivanovic retain their places.
Full teams:
Chelsea: Courtois, Ivanovic, Zouma, Terry, Azpilicueta, Matic, Fabregas, Pedro, Willian, Hazard, Diego Costa.
Subs Begovic, Cahill, Mikel, Loftus-Cheek, Traore, Remy, Falcao.
WBA: Myhill, Olsson, Yacob, Morrison, Brunt, McClean, McManaman, McAuley, Flectcher, Dawson, Rondon
Subs: Rose, Chester, Lexcott, Gardner, Anichebe, Lambert, Gnabry
Referee Mark Calttenburg