Ole Gunnar Solskjaer’s side took the sting out of the Hornets with a blistering start and the Reds' attacking intent paid off in the fifth minute when Scott McTominay’s downward header found the top corner via the turf, alluding the outstretched glove of Daniel Bachmann.
Whilst there was to be no second goal after the break, the visitors hardly threatened in an attacking sense, making the result more comfortable than the scoreline suggested.
Here are all the top talking points as United began this season’s FA Cup campaign…
IN THE HAT
Most crucially, United avoided any upset against our lower league opposition and booked a place in the fourth round of the FA Cup.