The 22-year-old left Derby County on Saturday after six years with the Championship club.
Watford have announced the signing of Will Hughes from Derby County.
The 22-year-old joins the Premier League side on a five-year deal, having been at Derby since 2011.
Hughes, who is on internatinoal duty with England Under-21s, had been a first-team regular with the Rams since 2012 and was well regarded by the club’s fans.
As a result, Derby supporters were understandably disappointed to be losing Hughes as they wished him well on Twitter following the announcement.
BBC Sport reported that the Championship club will pocket some £8 million for one of their prized assets, though it might be of little consolation to supporters at the moment.
Derby finished ninth in the Championship last season, 13 points adrift of a playoff spot, and Gary Rowett will need to find an excellent replacement for the youngster if they are to make up that deficit during the 2017-18 campaign.
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