Anthony Gordon‘s first-half strike turned out to be the winner as Everton claimed a crucial win in their battle to avoid relegation.
The result sees Ralf Rangnick’s side fail to win for the third consecutive game in all competitions and remain in seventh place in the league table.
It was a massive win for Frank Lampard’s side who move four points clear of the relegation zone with fellow strugglers Burnley.
The hosts started to grow into the game after the goal and almost doubled their lead after 35 minutes but De Gea denied Richarlison’s deflected effort.
Everton frustrated United throughout the second half with both teams failing to create many clear-cut chances.
Cristiano Ronaldo forced Pickford into a late save but United were disappointing after the break and Everton picked up a deserved victory.
Rangnick rang the changes, but it had little effect, as United meander towards another disappointing season finish — five years without a trophy come the end of this campaign, and nine since their last league triumph.