The Republic of Ireland striker missed last weekend’s 2-1 win at Burnley due to “personal reasons”, but boss Graham Potter has revealed those concerns have been resolved.
Forward Danny Welbeck and full-back Tariq Lamptey remain sidelined with hamstring problems. Defender Joel Veltman will miss out due to self-isolation.
Adam Lallana, Jakub Moder and Alexis Mac Allister all impressed from the bench at Burnley and are pushing for starting roles against a Watford team who beat Aston Villa 3-2 last Saturday.
Scroll down and click through to see how Albion might line-up for this one.
9. Alexis Mac Allister
Looks like a man on a mission this season and could force his way into the starting XI to face Watford
10. Leo Trossard
Disrupted pre-season and will be better having gained minutes at Burnley
11. Neal Maupay
Opened his account for the season at Burnley and will be full of confidence for this one