Aston Villa goalkeeper Emiliano Martinez could return after missing the midweek defeat by Manchester City with a stomach bug.
Nicolo Zaniolo, who limped off in that game, should be fit but Ollie Watkins is a doubt with a hamstring issue.
Midfielder John McGinn is available after completing a suspension.
Brentford forward Kevin Schade could feature for the first time since September after his recovery from an adductor injury.
Bryan Mbeumo, who has been a substitute in Brentford's last three games, could start for the first time since injuring his ankle in December.
Ethan Pinnock, Christian Norgaard and Aaron Hickey remain sidelined, while Ben Mee, Ethan Pinnock and Rico Henry are long-term absentees.