All three goals were in front of the Stretford End, goals which fans hope will be a turning point in United's very bad season.
Mourinho was justified in feeling relieved amid a swirl of speculation about him being fired as manager during the last weekend of action for two weeks before the global break. Having done much the same since the break, Mourinho then gave little reaction to Mata's goal, before letting some emotion out when Martial levelled in the 76th minute, shouting and making a gee-up motion with his hands.
There were doubts about Alexis Sanchez's form before the game but the Chilean performed brilliantly after coming on for his team in the 67th minute and scored only his first goal of the season to complete his team's remarkable comeback in the final minutes of the game.
"They are struggling too and so are we". You push even more. Last year, we were in the bottom five teams in the table in December, and still we finished 10th.
"I think they saw [on Saturday] that we tried everything and we came back and from the mental point of view it was a very important three points".
UK, Netherlands accuse Russian Federation of hacking, including chemical weapons watchdog
The accusations were backed by other Western nations, including the USA , which said Moscow must pay a price. USA prosecutors also said that the Russian hackers targeted the Pennsylvania-based company Westinghouse.
Newcastle United owner Mike Ashley has sought to motivate his players by making two promises to the Magpies' stars: to take them on holiday if they avoid relegation and that he will not sell the club this season.
Fans have taken to Twitter to claim that David De Gea's attempt at trying to save Yoshinori Muto's goal this evening are a sign that he wants Jose Mourinho sacked as manager.
The visitors got to score-sheet when Kenedy tapped home the opener, 7 minutes into the match.
The former England full-back added: "Eventually I've got to stand up and say, "look, I'm not good enough to do this".
Mourinho reacted by bringing on Spain midfielder Juan Mata for center half Eric Bailly after 19 minutes, but the boos still echoed around Old Trafford at the interval. We conceded the first goal, and that changed the game.
Along with manager Rafa Benítez and the first team squad, a number of backroom staff were also in attendance at the Italian restaurant, Rialto.