Chelsea pair Noni Madueke and Marc Cucurella are fit to return on Sunday, while Moises Caicedo and Armando Broja are also in contention after injuries.
Benoit Badiashile, Reece James, Carney Chukwuemeka and Trevoh Chalobah are all still building up their fitness.
Aston Villa have no fresh injury concerns arising from their Europa Conference League defeat by Legia Warsaw on Thursday.
Jacob Ramsey returned from a broken foot as a substitute in that game.
MATCH FACTS
Head-to-head
- Aston Villa won 2-0 at Stamford Bridge in April and can register consecutive Premier League victories against Chelsea for the first time in 30 years.