Today game would be Claudio Ranieri's first game in charge against Liverpool.
Watford will assess striker Josh King ahead of King is recovering from a knee injury suffered in the defeat against Leeds, where Francisco Sierralta and Christian Kabasele (both hamstring) were also injured and have not yet returned to training.
Nicolas Nkoulou is set for another three weeks on the sidelines while Peter Etebo (quad) is a long-term absentee.
New Watford boss Claudio Ranieri says he is confident in his ability to cope with the rigours of management in the Premier League
Liverpool will be without goalkeeper Alisson Becker and midfielder Fabinho as the pair have flown directly to Spain for next week's Champions League match to avoid UK quarantine restrictions.
It means Caoimhin Kelleher will make his first Premier League appearance in goal since February.
Curtis Jones will also miss out having returned from England U21 duty with an injury, and with Thiago Alcantara (calf) still unavailable, midfield resources are being stretched, but Trent Alexander-Arnold will return at right-back after missing the last two matches.
Alisson and Fabinho will miss Liverpool's trip to Watford
How to Watch Watford vs Liverpool
Follow Watford vs Liverpool in on Sky Sports Football, Super Sports, beIN Sports by 12.45am Saturday.