"I think we played very well", United manager Jose Mourinho told BT Sport.
The Sweden defender joined United in a £31million deal from Benfica at the start of the summer, but has been forced to endure a watching brief with Eric Bailly and Phil Jones forming a solid central defensive partnership.
Manchester United new-boy Victor Lindelof admits it has been tough watching from the sidelines after failing to make his Premier League debut for the club in the first three games of the season. "That's going to be great, he's important both on and off the pitch". While he can be over-zealous in his approach at times, it is his enthusiasm and drive which mark him out as special. It seemed that his days at United could even be over but then over the pre-season period he has started to find the form that brought him to England.
Rashford opened the scoring in the match to give United the lead and Lingard created the next goal which was finished off by the Belgian, Fellaini, to give Man Utd their third win of the season, maintaining their 100% record and putting them back on top of the Premier League.
Manager Craig Shakespeare confirmed last week that no further interest had been lodged, with Mahrez destined to remain in the east Midlands at least until January.
Sensing the game beginning to drift towards a draw Mourinho turned to his bench. Reliable if unspectacular as always, with his exceptional awareness a key feature in breaking down opposition attacks.
United are looking good and ready to win the title as we have won three matches out of three and the squad depth is perhaps the best in the whole country. He will now miss City's match with against his former team Liverpool after the break.
In your opinion, should United sign Riyad Mahrez?
"This is about the quality of the players, the players are good, and not just good, they are motivated to help the players", said the Portuguese.
King nearly pulled a goal back in stoppage time after getting on the end of Gray's cross, but De Gea was alert to deny him at point-blank range as United went into the worldwide break on a high.