However, he is back in the heart of the defence in Azerbaijan, where he will be flanked by Cesar Azpilicueta and Antonio Rudiger.
Tiemoue Bakayoko and Alvaro Morata drop out of the squad that won 4-0 at the weekend, with head coach Antonio Conte apparently shifting to a 3-4-3 formation that sees the inclusion of attacking midfielders Willian and Pedro.
Qarabag starting XI: Sehic; Medvedev, Sadygov, Rzezniczak, Agolli; Almeida, Garayev; Guerrier, Michel, Madatov; Ndlovu
Subs: Kanibolotskiy, Amirguliyev, Ismayilov, Yunuszada, Sheydaev, Diniyev, Quintana
Chelsea starting XI: Courtois; Azpilicueta (c), David Luiz, Rudiger; Zappacosta, Kante, Fabregas, Alonso; Willian, Hazard, Pedro
Subs: Caballero, Cahill, Christensen, Sterling, Drinkwater, Bakayoko, Morata