The English champions were even the first to score, at the hour of the game, through Jack Grealish, who, with his head, gave the best possible follow-up to Kevin de Bruyne's cross, 'freezing', in this way, Old Trafford .
It was then that Bruno Fernandes took over the 'baton'. At 78 minutes, he scored and restored equality, in a move that was originally invalidated by Marcus Rashford's irregular position. Four minutes later, he started the move that culminated in Alejandro Garnacho's goal.
The former Sporting player was, moreover, one of the three Portuguese internationals in the long-awaited derby, along with João Cancelo and Bernardo Silva. Diogo Dalot and Rúben Dias were left out of the squad, as they continue to recover from injury.
All in all, with this triumph, Manchester United now has 38 points and is isolated in third place, just one point behind Manchester City.