Tammy Abraham will miss Chelsea's Premier League clash with West Ham at Stamford Bridge with a hip problem.
The England striker fell heavily on his hip in Wednesday's 2-2 Champions League draw at Valencia and was carried from the Mestalla Stadium field on a stretcher.
Manuel Lanzini, Jack Wilshere and Winston Reid are still sidelined.
Chelsea Provisional squad: Arrizabalaga, Zouma, Emerson, James, Tomori, Kovacic, Willian, Kante, Pulisic, Mount, Batshuayi, Caballero, Christensen, Azpilicueta, Gilmour, Jorginho, Pedro, Giroud, Cumming.
West Ham Provisional squad: Martin, Zabaleta, Ogbonna, Rice, Cresswell, Sanchez, Noble, Snodgrass, Antonio, Yarmolenko, Haller, Roberto, Masuaku, Balbuena, Fredericks, Fornals, Anderson, Ajeti.