In
Vakoun Issouf Bayo (£5.2m, Charleroi)
Rey Manaj (undisclosed, Barcelona)
Mario Gaspar (free, Villarreal)
Hamza Choudhury (loan, Leicester City)
Keinan Davis (loan, Aston Villa)
Kortney Hause (loan, Aston Villa)
Hassane Kamara (loan, Udinese)
Out
Ben Foster (released)
Nicolas Nkoulou (free, Aris Thessaloniki)
Andre Gray (free, Aris Saloniki)
Juraj Kucka (released)
Cucho Hernandez (undisclosed, Columbus Crew)
Joshua King (free, Fenerbahce)
Daniel Phillips (free, St Johnstone)
Adam Parkes (released)
Philip Zinckernagel (undisclosed, Olympiacos)
Moussa Sissoko (£1.8m, Nantes)
Jorge Segura (loan, Independiente Medellin)
Adam Masina (undisclosed, Udinese)
Derek Agyakwa (free, Port Vale)
Kiko Femenia (undisclosed, Villarreal)
Kwadwo Baah (loan, Fortuna Düsseldorf)
Pontus Dahlberg (undisclosed, Goteborg)
Rob Elliot (free, Gateshead)
Ashley Fletcher (loan, Wigan Athletic)
Samir (undisclosed, Tigres)
Emmanuel Dennis (£20m, Nottingham Forest)
Domingos Quina (loan, Elche)
Hassane Kamara (undisclosed, Udinese)
Danny Rose (released)
Ignacio Pussetto (loan, Sampdoria)
Adalberto Penaranda (free, Boavista)
Ben Hamer (free, Swansea City)
Dapo Mebude (undisclosed, Oostende)
Watford total spent to date: £5.2m
Watford total received to date: £54.3m
Watford net transfer balance: £49.1m
Barney Corkhill
