Interim boss Ralf Rangnick made four changes to his line-up to face the Hornets from the Reds XI who had started the draw against Atletico Madrid in midweek, but a stalemate on this occasion wasn't quite as welcome as Wednesday's spoils were in Europe.
A first-half display by the Reds promised much, with chances being racked up, but Watford were dogged and went on to survive some United golden opportunities across the 90 minutes to take home a valuable point while putting a dent in United's push for a Champions League qualification spot.
FIRST HALF - BRUNO LEADS THE REDS' PURSUIT
With Harry Maguire on the bench, Bruno Fernandes took on the captain’s role and was certainly prominent in the opening half hour as he chased his 50th goal for the Reds.