Defences likely to come to the fore at Vicarage Road
Hornets boss Walter Mazzarri has talked about stopping West Brom's set-piece threat but if he packs the defence with tall players it may take something away from Watford's attacking potential.
West Brom often play not to get beaten on their travels and there is a danger of two cautious teams cancelling each other out.
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Younes Kaboul (hamstring) has joined Christian Kabasele, Ben Watson, Roberto Pereyra and Mauro Zarate on the sidelines. Troy Deeney should shake off a sickness bug and Sebastian Prodl and Valon Behrami are injury doubts.
Matty Phillips could be back in the squad after seven weeks on the sidelines. No fresh injuries are reported.
West Brom have drawn three of their last four away matches.