After Zlatan Ibrahimovic and Henrikh Mhitaryan spurned early chances, United took the lead in the 31st minute.
Anthony Martial starts for Man United against Watford, and Twitter loves it
Sat, February 11, 2017
Anthony Martial is named in Manchester United's starting XI to face Watford, and fans are delighted
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Manchester United fans are delighted to see Anthony Martial in the starting XI
Anthony Martial scored as Manchester United battled past Watford
Juan Mata was the scorer, tapping home from close range after an intricate pass from Martial.
Earlier in the season United would cave to pressure when defending a one-goal lead.
But this is a Red Devils side running high on confidence and they doubled their advantage in the 60th minute.
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Manchester United players celebrate Anthony Martial's goal
Juan Mata struck the opener for Manchester United
Watford attempted to get back into the game late on with Daryl Janmaat wasting a chance to halve the deficit.
But United closed out the game and now sit just one point outside the top four.