Brentford forward Bryan Mbeumo will be sidelined for three months following an ankle operation.
Mathias Jensen misses out because of a thigh muscle problem but Nathan Collins is back in training following an ankle injury and could be available.
Aston Villa are without two of their five Premier League ever-presents this season, Douglas Luiz and Lucas Digne, who must both serve a one-match ban.
Youri Tielemans and Leon Bailey are nursing injuries and will be assessed.
They missed Thursday's Europa Conference League trip to Zrinjski due to injury, while Robin Olsen and Bertrand Traore remain unavailable along with long-term absentees Tyrone Mings and Emi Buendia.