He admits it will be a unusual experience to line up at his old stomping ground in the colours of a different team, but says he will not allow sentiment to cloud his focus.
"I'm so happy to be the manager of these guys, I told them a few days ago that during my long career I never had a group that I liked so much, like I like them", he said, after United's 2-1 loss to Real Madrid in the UEFA Super Cup in Skopje on Tuesday.
During his news conference ahead of the Premier League season opener on Friday, Jose Mourinho said that he will not "cry" or "moan" if he does not end up obtaining that fourth and final player between now and August 31.
Amid interest from Chelsea and Manchester United, Spurs have put a £50m asking price on Danny Rose's head, though that is unlikely to be the case literally speaking.
Mourinho added: "The challenge is to win more matches than we did, by scoring more or conceding less, I don't know".
"He is sensational. He is made for the Premier League".
FBI 'Most Wanted' fugitive arrested in Woodbridge after public tips
The victim was suspected of socializing with a rival gang and had been ordered to be killed by MS-13 leaders. His wounds were so severe that authorities were only able to identify him because of his tattoos.
That is a big change from a year ago, when United played only five pre-season matches after a friendly against Manchester City in Beijing was called off.
"He knows what he's doing and I'm sure he's building a great team for what he hopes to achieve there".
CHAMPIONS LEAGUEUnited will make a return to football's premier European competition this season, after qualifying for the Champions League by winning the Europa League last term. I want the team to be on a par with the club's history, which is something I've been lucky enough to feel at every club.
Empowered by a close-season transfer splurge of some £200 million ($264.8 million, 233.5 million euros), Manchester City are the early favourites to topple Premier League champions Chelsea.
But during Jose Mourinho's coaching career it has been a cast-iron recipe for success, having won a league title during his sophomore campaign at each club.
"I go with the same prediction as previous year because I don't think Pep will accept having another season like that, he is not used to that".
Pentagon Ready to 'Fight Tonight' as Tensions Between US, North Korea Escalate
As the insanity increases and the threats between the US and North Korea escalate, might I make a suggestion. Pacific Command showing B-1B Lancer bombers on Guam.
Striker Romelu Lukaku cost at least £75 million, while Mourinho offloaded captain Wayne Rooney in the opposite direction to Everton.
"I don't think I'm in a position of crying, moaning, protesting".
Chelsea are my pick to repeat for the Premier League title, although losing Matic to rivals Manchester United did not boost my confidence.
'It's not because I always did it that I am going to do it, ' the ex-Porto, Chelsea, Inter Milan and Real Madrid boss said. We also got a central midfielder and a striker.
"We bought three and the market is so demanding right now, for all the teams around the world, not just for Manchester City".
Jose Mourinho says Zlatan Ibrahimovic may re-sign for Manchester United
Manchester United boss Jose Mourinho has called on his side to stop relying on their frontmen for goals this season. It's not something that's urgent, it's not desperate to have it done or not.