Precisely as the United manager likely believed his luck wasn't changing, his side delivered the home side's first home defeat in the Premier League from February onward.
The Palace manager's team dominated early rightfully went ahead through the French striker's second penalty attempt. But they could not to convert superiority into goals following earlier difficulties to score against Palace, the visitors responded two times in quick succession via their summer signing and the English midfielder.
This represented a difficult afternoon at the end of a long week for the Palace boss, who witnessed the Senegalese international leave injured with a concerning injury in the first period.
His Portuguese counterpart probably contained his emotions in check while walking toward the dressing room immediately after the final whistle.
The United manager minimized parallels involving his and Glasner's tactical approach in the buildup, while admitting that Glasner's team "currently execute things better than us|aspects superior to ours|elements more effectively".
The answer to the lacklustre defeat versus reduced Everton meant modifying both wing-backs, featuring the Ivorian shifting to the right side with the full-back took over from Dorgu.
Amorim's team probably recognized an opportunity to profit given that they had additional preparation time and almost went ahead within the first minute.
An extended delivery generated disorder in the Palace area but somehow the ex-United shot-stopper made a close-range stop on his goalline to prevent the midfielder.
The narrow escape functioned as a warning for the home team after the early kick-off which was determined by TV requirements.
Soon the chances started arriving frequently. Following wasted multiple opportunities on Thursday, it looked perhaps it wouldn't be the striker's opportunity after he sent shots wide of the target during the first quarter.
But in a week when talks over Mateta's contract extension hit obstacles, the French striker emerged who provided the first goal.
One more perfect ball from the England international drew the defender into making contact following an earlier superb interception to stop the winger, the 20-year-old could only bring down his compatriot in the penalty box.
The goalkeeper returned wearing a cap to protect his vision from the setting sun yet he'll feel regret to have allowed United to equalise eight minutes after the restart.
Glasner's team was unprepared from a rapid Fernandes set-piece and Zirkzee was able to control with his chest while turning simultaneously to unleash an attempt that sailed into the far corner.
Following weathering a goalmouth scramble as the forward came close again at the wrong end, their afternoon got even better a few minutes later when the Netherlands forward was brought down outside the penalty area from the Palace defender.
A temporary uncertainty developed among the defenders as the captain passed the free-kick to Mount permitting Mount to defeat the goalkeeper using a fierce strike.
Without Sarr's pace to depend on, the home team struggled to create another chance allowing Amorim's team to see out vital three points elevating Manchester United leapfrog the Eagles to sixth position.
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