Watford will be without Jose Holebas (hamstring), Domingos Quina (shoulder), Tom Cleverley (calf) and Adalberto Penaranda (hamstring).
Gerard Deulofeu and Kiko Femenia were withdrawn during extra-time of last weekend’s FA Cup semifinal but have trained all week and are available.
Sokratis Papastathopoulos begins a two-match ban for Arsenal, who will assess Grant Xhaka (groin) ahead of Monday’s match.
Hector Bellerin, Rob Holding (both knee) and Danny Welbeck (ankle) are long-term absentees. Bet Now on NaijaBet
Did you know?
Troy Deeney could become only the third player to score 10+ goals in three different top-flight seasons for Watford after Luther Blissett and John Barnes.
Watford have lost four of their previous five home Premier League matches against Arsenal, but beat them 2-1 last season at Vicarage Road.
Referee: Craig Pawson
Assistants: Gary Beswick, Richard West
Fourth official: Simon Hooper