Matej Vydra's thunderous strike got Billy McKinlay's Watford tenure off to a great start with a 2-1 win over Brentford.
Billy McKinlay takes charge of Watford when they host Brentford after replacing Oscar Garcia as head coach on Monday.
New Leeds boss Darko Milanic admitted "I need time" after his side were brushed aside by Championship new boys Brentford.
Brentford ran out 2-0 winners during Saturday's Championship clash with Leeds at Griffin Park.
Brentford will check on Stuart Dallas and Nico Yennaris ahead of the visit of Leeds.
Brentford boss Mark Warburton is demanding a response from his players against Leeds next weekend following their Middlesbrough mauling.
Middlesbrough boss Aitor Karanka will be without defender Damia Abella for the Sky Bet Championship clash with Brentford.
Brentford boss Mark Warburton is confident his side will put their midweek disappointment behind them when they head to Middlesbrough on Saturday.