Striker Fernando Torres is out with a knee injury as Chelsea host Stoke in the FA Cup fourth round at Stamford Bridge on Sunday.
Demba Ba could get his chance, with manager Jose Mourinho declaring on Sunday that "It's time for Demba" as Torres - whose compatriot Juan Mata is Manchester United-bound - faces three more weeks out.
Mohamed Salah's transfer from Basle is yet to be concluded and Michael Essien could feature, even though he has been told he is permitted to leave this month.
Stoke goalkeeper Asmir Begovic could make his return to action in the trip to London.
Kenwyne Jones, who was not considered for selection last time out as a result of his refusal to play in the game before that, may also be back in the squad, with Potters boss Mark Hughes having said the striker "comes into our thinking".
John Guidetti, the frontman on loan from Manchester City, will be assessed having felt ill on Friday, while Robert Huth (knee), Andy Wilkinson (heel) and Matthew Etherington (calf) remain unavailable.
Chelsea squad: Cech, Ivanovic, Cole, Luiz, Essien, Ramires, Lampard, Oscar, Mikel, Schurrle, Hazard, Ba, Willian, Schwarzer, Cahill, Terry, Azpilicueta, Eto'o, Blackman.
Stoke squad: Begovic, Butland, Sorensen, Shawcross, Wilson, Pieters, Cameron, Muniesa, Shotton, Whelan, Nzonzi, Adam, Palacios, Ireland, Pennant, Assaidi, Arnautovic, Walters, Crouch, Jones, Guidetti.