Burnley led the pack just before half-time when Chris Wood spun off Harry Maguire to meet Ben Mee’s knockdown and crush into the top corner from the edge of the six-yard box.
Jay Rodriguez multiplied the Clarets’ bit of leeway when he played a one-two with Wood before terminating into the top corner of David de Gea’s close to post with a venomous strike from the left-hand corner of the punishment region.
It was the third season in succession Burnley had gone 2-0 up at Old Trafford, however just because they held tight for every one of the three focuses.
Joined together, who were without the harmed Marcus Rashford, were dull for enormous periods and scarcely undermined Nick Pope in the Burnley objective.
They were booed off at half-time and full-time and huge pieces of the ground discharged with five minutes left.
Ole Gunnar Solskjaer’s side stay six focuses behind Chelsea and off the best four, while Burnley move to thirteenth, seven focuses away from the transfer zone.
A great deal of pre-coordinate discussion was centered around how United would adapt without Rashford, who is sidelined for in any event a month and a half with a pressure crack of the back.
That allowed a chance to Anthony Martial to have a special interest in be United’s long haul number nine, however the Frenchman looked off the pace all through and squandered two great first-half open doors from Aaron Wan-Bissaka’s cross and Nemanja Matic’s throughball.
Solskjaer went to 18-year-old Mason Greenwood at half-time, and the youngster at any rate demonstrated looks at his potential with a splendid turn past Charlie Taylor followed by a driving run and shot which went simply wide.
Be that as it may, the reality Solskjaer is routinely going to an adolescent in a urgent endeavor to pivot games is an accursing prosecution of the nature of his squad, and could incite United to act in the last nine days of the exchange window.