The Belgian talent will now be hoping to make a name for himself at Vicarage Road.
We find out how the likes of Odion Ighalo and Matej Vydra are getting on at their new clubs.
Liverpool-owned Lazar Markovic and Sam Clucas scored the goals for Hull City against Watford in the Premier League at the weekend, as Oumar Niasse was sent off.
West Bromwich Albion have been linked with a move for Watford’s Troy Deeney in the summer transfer window.
Watford striker Troy Deeney has been linked with a move to West Bromwich Albion recently.
Southampton, Watford and Bournemouth are reportedly interested in Middlesbrough Marten de Roon’s in the summer transfer window.
Everton, Newcastle United, Southampton and Watford are reportedly interested in Real Sociedad striker Willian Jose in the summer transfer window.
HITC Sport understands several clubs are chasing non-league hot-shot Gozie Ugwu, including Motherwell, Patrick Thistle and Walsall.
Ben Watson has been frozen out by Walter Mazzarri at Watford but would surely play an important role at Queens Park Rangers.
Tottenham Hotspur won against Watford in the Premier League on Saturday afternoon.