The Reds moved a point clear of Manchester City after securing a 0-0 draw at Manchester United on Sunday, while the Hornets claimed a confidence-boosting 5-1 win at Cardiff City.
Javi Gracia’s side are up to seventh in the league standings and have lost just one of their last 11 games across all competitions - a run that includes five victories away from home.
So, what can we expect from them on Wednesday night?
We spoke to Watford season ticket holder and From the Rookery End podcast co-presenter Mike Parkin (@RookeryMike) to find out.