The game was characterised by the home side defending deep – and in numbers – before springing quick counter-attacks.
Man Utd never really looked like breaking them down, and you felt that eventually, Newcastle might convert a half-chance on the break.
That moment came, when Matthew Longstaff fired a fantastic 20-yard effort beyond De Gea after smart work from Willems.
Following that moment, Man Utd pushed for an equaliser, but they never created a true opportunity to level the scores
Meanwhile, Newcastle climbed out of the relegation zone and into 15th with a huge victory that could end up being crucial at the end of the season.