Ahead of his side's Premier League opener, the Portuguese insisted he and his contemporaries should be called "head coaches" as opposed to "managers", a statement which now appears quite relevant.
The World Cup victor seemed to restore the faith put in him by Mourinho with his performance on the night, with a penalty in the 2-1 win the icing on the cake for the midfielder, who left the field to a standing ovation in the 84th minute.
Mourinho went on to command his "monster" performance and determination to last nearly the entire match despite a minimal break, but the 25-year-old invited intrigue with a late night social media post.
The former Chelsea and Real Madrid boss has regularly criticised his players in public with United struggling ahead of the new season.
"When you have everybody with you, everybody next to you, you know they want to fight for you, obviously it's going to be easier", he said.
But in comments attributed to Pogba in today's British newspapers, he says: "There are things I can say and there are things I cannot say. otherwise I will get fined".
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The Premier League giants were linked to the likes of Jerome Boateng, Harry Maguire and Diego Godin.
The move is said to be a recognition by the club hierarchy of 'the need to modernise in an era when managers are often in situ only for the short term, ' with Mourinho now the second longest serving United manager in a generation.
Pogba was pushed on his response and said that "if you're not happy, you can not give your best" when asked about what represents happiness and comfort for him.
He said: "Clearly things aren't right, there's a disconnect between the three key players at United and none of it is particularly healthy".
Liverpool new boy Fabinho has denied claims Monaco stopped him from signing for Manchester United.
But if Barca offer them the chance to make a profit on the player they signed for a then world-record fee of $115 million two summers ago, and someone who has never really hit top form consistently, should United snap their hands off?