Former United defender and Sky Sports pundit Gary Neville suggested there was a huge gulf in class between a table-topping City side now 12 points ahead of their stuttering local rivals, but Mourinho chose to offer up an alternative narrative.
After falling behind to a spectacular volley by Cristiano Ronaldo, United came from behind through a free kick by Juan Mata and an own goal by Leonardo Bonucci, giving them an invaluable three points to reclaim second place in Group H.
But you've got to admit, that still is pretty amusing from the England worldwide.
"We had two matches away [Juventus and then City], it is not the physical effort but the mental pressure".
"The boss has given us a little more freedom to move around and I think that way we can do more damage to our opponents", he added. You can not expect to win three away games like we had this week (also beat Bournemouth last weekend).
City's defense is also the best in the league, having conceded only 4 goals in 11 matches, with Aymeric Laporte, in particular, being very impressive.
DF Victor Lindelof, 6 - Did not give the ball away once in the first half but lost Aguero when the Argentinian striker blasted the home side into a 2-0 lead just after half-time.
"I think the coach definitely finds it hard to put all of us in because we're playing really well and there's a really good level in attack".
'The win last season there was a mad feeling and, hopefully, we can do it again, ' Lingard told MUTV.
"He felt that was such a crucial match for the team".
This season, City have continued where they left off, regaining their position at the top of the tree, while United have endured a woeful start to the season.
United were beaten 3-1 by City at the Etihad Stadium and are already 12 points behind the Premier League champions.
He said: "We are outside the top four, how can we speak about the title?"
"Maybe the game at Old Trafford will be more important".