Morata hurt his back during the week but is fit enough to start in attack.

Gary Cahill, Davide Zappacosta and Tiemoue Bakayoko return to the starting XI after not playing in the 3-1 win over Newcastle.

For West Ham, David Moyes has made three changes from the team that lost late on to Manchester City last week.

Joe Hart is on the bench despite being available with Adrian retaining his place in goal.

Winston Reid, Mark Noble and Marko Arnartovic come into the team with Cheikhou Kouyate, Declan Rice and Edimilson Fernandes dropping out.

West Ham: Adrian, Zabaleta (c), Reid, Ogbonna, Cresswell, Obiang, Noble, Arnautovic, Lanzini, Masuaku, Antonio.

Subs: Hart, Rice, Fernandes, Sakho, Ayew, Chicharito, Carroll.

Chelsea: Courtois; Azpilicueta, Christensen, Cahill (c); Zappacosta, Bakayoko, Kante, Fabregas, Alonso; Hazard, Morata

Subs: Caballero, Rudiger, Ampadu, Moses, Willian, Pedro, Batshuayi.