The Hornets will be without full-back Kiko Femenía for the final two games of the season; last weekend’s groin injury putting an end to his impressive campaign.
Isaac Success is back in full training having missed the Millwall game due to a minor knock.
A number of other players carrying minor niggles will be assessed before Saturday’s first-ever trip to the Brentford Community Stadium.
Troy Deeney is undertaking conditioning work outside with a view to rejoining full training during the week ahead.
Also aiming to return to the first-team squad for training before season’s end is Tom Dele-Bashiru, who’s continued to step up his outdoor rehab work in recent weeks.