Watford goalkeeper Heurelho Gomes is a doubt for the visit of Cardiff.
The Brazilian is struggling with tendinitis and needs a late fitness check, with Jonathan Bond standing by to deputise.
Midfielder Almen Abdi could be added to the squad after proving his fitness with a run-out for the under-21s after a month on the sidelines with a shoulder injury.
Gabriel Tamas is the only definite absentee as the defender continues his recovery from a cruciate injury.
Cardiff could be unchanged as they look for...