We had to stop him to play because he was saying, "I feel wonderful, I should go and play" but to follow the protocol and also to protect the player, we decided not to play (him).
The 43-year-old, who won 20 major trophies in 718 games for the Red Devils, recently claimed that his application for a job managing United's Under-23 team was turned down by the club's management.
Mourinho has been outspoken for a few weeks, leading to some criticism in the press who thought his comments about Manchester City were ludicrous.
"For it to happen, they both need to be in their best moment and they are not", said Mourinho.
Even within the United ranks, Jesse Lingard's recent run of goalscoring form should have been enough to convince Mourinho that there was plenty of potential for goals from his United side even in the absence of a big man up front.
On the injury to top-scorer Lukaku, Pogba said: "When we have Romelu, he makes it hard for defenders and creates so much space as well".
Serving as a guest pundit on Sky Sports' coverage of that United v City match, Gallagher said after the game: "It's payback time... respect to the United fans who clapped Pep Guardiola off - they know they've seen something special today".
'Significant' activity spotted at North Korea's nuclear-testing site
It has, however, retained back-channel communications through the North's diplomatic mission at the United Nations in NY . Asked if he had spoken with Mr Kim , the President said cryptically: "I don't want to comment on it".
"Scholes will be in history as a phenomenal player".
Martial curled the ball into the top corner from the edge of the area in the 57th minute after impressive play from Paul Pogba as Jose Mourinho's stuttering side finally came alive after the break following an uninspiring first-half display.
And the fact that Zlatan Ibrahimovic was also ruled out for the entire month of January meant that United were light in the forwards department but Mourinho was confident that his players will adjust.
"I hope that if one day he became a coach, he could achieve 25 percent of the success that I have had".
United have bought the positivity of ex-players for years by making them club "ambassadors".
"50 percent of that is 12.5 silverware, 25 percent is around six".
Where is the Paul Pogba we saw at Juventus? If he is 25 per cent he will be quite happy. He gave so much to my club that I can only thank him for that.