Defeat at Wembley hardly signals a crisis for Manchester United - they are firmly in the frame for the top four and remain in contention for the FA Cup and Champions League.
However, the performance in the 2-0 loss to Tottenham Hotspur was dreadful, one of their worst of the season. It raises questions Jose Mourinho must answer, in defence, midfield and attack.
Sportmail's JACK GAUGHAN sifts through the aftermath of Wednesday night's Premier League clash, and tries to find some answers...
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How does he juggle the three in behind Romelu Lukaku?