Callum Hudson-Odoi starts for Chelsea this evening.
Boss Frank Lampard has made six changes, with Cesar Azpilicueta coming in for Reece James – who is not in the matchday squad – and Jorginho starting in place of Mateo Kovacic.
The other changes see Antonio Rudiger, Andreas Christensen and Olivier Giroud also come in.
Villa are without the suspended Tyrone Mings and the injured Trezeguet, while on-loan Chelsea midfielder Ross Barkley cannot play against his parent club.
Chelsea: Mendy, Azpilicueta, Christensen, Rudiger, Chilwell, Jorginho, Kante, Mount, Hudson-Odoi, Pulisic, Giroud
Subs: Kepa, Silva, Abraham, Werner, Tomori, Kovacic, Gilmour, Havertz, Emerson.
Aston Villa: Martinez, Cash, Konsa, Hause, Targett, Luiz, McGinn, Grealish, Traore, El Ghazi, Watkins
Subs: Heaton, Taylor, Hourihane, Nakamba, Engels, Guilbert, Elmohamady, Davis, Ramsey.