Arouna Kone returns to the squad having arrived back from the Africa Cup of Nations and gets himself a place on the substitutes bench while Latics' other internationals are all fit to play.
Chelsea: Cech, Azpilicueta, Ivanovic, Cahill, Cole, D Luiz, Lampard, Ramires, Oscar, Hazard, Torres
Subs: Turnbull, Ferreira, Bertrand, Benayoun, Marin, Mata, Ba
Latics: Al Habsi, McCarthy, Caldwell, Di Santo, Maloney, McArthur, Espinoza, Beausejour, Stam, Figueroa, Scharner
Subs: Robles, Kone, Jones, Henriquez, Gomez, McManaman, Golobart