Wednesday's 6-0 defeat of Shakhtar Donetsk underlined the quality of Sunday's opposition, but life off the field is not as rosy as City face allegations that they have tried to cheat European football's Financial Fair Play rules.
"When I think of him in the press conference after the Juventus game and some of the one liners he came out with, compared to where he was a few weeks ago, and the day before the Newcastle game, that's a massive difference".
They claim that the criticism they have faced is an "organised and clear" attempt to damage their reputation.
On tomorrow's derby match, he said: "It's two completely different teams, but the win gave us a lot of confidence which is always good".
"So, it's going to be a very tough task but we feel very confident we can go there and make it hard for them".
The close friends reunited in Turin this week as Jose Mourinho's side snatched three points from the Italian outfit late on.
"If we drew it's nine, if we lose it's 12", the United boss said.
"He is nowhere near the player we used to know".
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We have yet to mention Alvin Kamara , Mark Ingram or the league's best offensive line, which now resides in New Orleans. New Orleans (7-1), which has won seven straight and leads the NFC South, didn't necessarily need another receiver.
"If you want to put the match into the context of where we are and where we can be, it becomes even more hard".
"We have touches but I don't think any player that was available for Juventus will be out".
'He [Ronaldo] will go home tonight, believe me, absolutely gutted because a goal like that will not be highlighted because they lost the game.
However, Mourinho knows they can not afford the sloppy starts that have been all to frequent recently.
"If we keep conceding goals before the opponent, there will arrive the day where we can not come back", he said.
'I told him there was no need, I didn't insult him. "Which, I have to say against Juventus, it happened".
United could be bolstered by the return of Romelu Lukaku for Sunday's derby, with the Belgium striker missing the Bournemouth and Juventus games because of injury.
Pogba, 25, missed training at the Aon Training Complex on Friday but hopes to prove his fitness during Saturday's final session ahead of the clash.
He continued: "He [Lukaku] was training with the team this morning. I don't know his answer".