Watford striker Troy Deeney has signed a new four-year deal with the club.
Third-tier Doncaster upset Sky Bet Championship club Watford as they secured a place in the third round of the Capital One Cup with a 2-1 victory at Vicarage Road.
Watford have confirmed midfielder Cristian Battocchio will join Italian Serie B team Virtus Entella on a season-long loan.
Watford have re-signed their former goalkeeper Rene Gilmartin on a one-year contract.
Leeds boss David Hockaday insists his side played well despite going down to a 4-1 defeat at Watford, whose boss Guiseppe Sannino denied rumours of a rift in the squad.
Watford kept their place among the Sky Bet Championship's early-season pace-setters with a 4-1 win over nine-man Leeds at Vicarage Road.
Watford will check on Matej Vydra ahead of the home game against Leeds.
Watford head coach Beppe Sannino has told Sky Sports News HQ he has no plans to quit the club, despite rumours of unrest in the dressing room.