The starting line-ups and subs from Vicarage Road.
Latics make eight changes from the side that faced Manchester City in the Capital One Cup on Tuesday, with Marc-Antoine Fortune returning from injury to start up front.
Watford: Almunia, Doyley, Angella, Ekstrand, Anya, Murray, Iriney, McGugan, Pudil, Forestieri, Deeney
Subs: Bond, Belkalem, Battocchio, McEachran, Acuna, Faraoni, Fabbrini
Latics: Carson, Shotton, Rogne, Barnett, Perch, Watson (C), McArthur, Powell, Gomez, Fortune, McClean
Subs: Nicholls, Boyce, Espinoza, McCann, McManaman, Dicko, Beausejour