Despite falling two goals down to Newcastle on home soil, Mourinho saw his side battle back to secure a dramatic 3-2 victory which has helped to ease some of the pressure which had been building on him.
They had seen Anthony Martial, another player who divides fan opinions, equalise after being set up by Paul Pogba on a insane evening of football in which a 70th minute Juan Mata free-kick had propelled United back into the game.
Mourinho also took time to praise the Old Trafford faithful after chanting his name throughout the evening.
"A lot of strong words were said at half-time in the changing room".
"I think he's one of the most hard-working professionals I have ever seen and to give us the win, he deserves it and I am really happy for him".
The comeback came amid reports that Mourinho would be sacked by United regardless of the outcome over Newcastle, who remain winless this season, after their worst start to a league season for 29 years.
"We did so well for 70 minutes so it's a pity", said his opposite number Rafa Benitez.
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He suggested that Nurmagomedov would face a suspension for his postfight antics. He came to Brooklyn and he broke a bus, he nearly killed a couple of people.
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"There's a reason United are the top club in the world, and that's because when we've been challenged, we've found solutions".
United conceded the opening goal of the game after just seven minutes, with wideman Kenedy to fire home for Newcastle after poor play from both Nemanja Matic and Ashley Young.
"If Jose was to be changed, the new manager will see a few players he doesn't like and then you're in that cycle of continually changing".
"It's not good for the heart when it is like this but it is satisfying to win and the way we did in the second half was the way we should always play football", the Belgian told MUTV.
"These football clubs, they are not made only of just victories and just hard moments, but always with pride". And at half-time we spoke, everybody, and the team faced the second half with a different spirit, a different belief, giving everything for the victory.
"We could have done a little bit better, we didn't score".