Watford recorded a 4-1 away win over Rotherham United with Ismaila Sarr scoring a goal for the Hornets.
Unbeaten in their last three league games, Xisco Munoz’s squad travelled to the New York Stadium with the ambition of extending their inspiring run.
For the hosts, assistant manager Richie Barker was in charge of the Millers as boss Paul Warne was required to watch proceedings from home, as he was undergoing a period of self-isolation.
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Following a dominant display from the visitors, they took the lead in the ninth minute as Philip Zinckernagel delivered a whipped cross into the box while Francisco Sierralta headed past a helpless Jamal Blackman.