Watford are still without Nordin Amrabat and Christian Kabasele, who are sidelined with ankle and knee problems respectively.
Sebastian Prodl, Craig Cathcart and Valon Behrami all face fitness test on minor injuries.
West Ham will assess Andy Carroll's groin problem ahead of the game.
Left-back Aaron Cresswell is fit after a hamstring niggle, and forward Andre Ayew is available for the first time since the Africa Cup of Nations.
MOTD COMMENTATOR'S NOTES
Martin Fisher: "Watford's season effectively kicked off 41 minutes into their match against West Ham at the London Stadium in mid-September.