Pep Guardiola believes Ruben Amorim is prepared to take on the challenge of managing Manchester United and making the step up to the Premier League.
United are nearing the appointment of Amorim after Sporting Lisbon agreed to meet his £8.3million release clause.
The move is expected to be confirmed in the coming days, with United pushing for Amorim to start as soon as possible on a three-year deal worth £6m per year.
Guardiola, the Manchester City manager, paid tribute to Amorim, with the two having been set to face each other in the Champions League in Lisbon next week.
Amorim may already be in charge of United by then, and Guardiola has no doubt that the 39-year-old is ready for the move to England.
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When asked about Amorim's potential move to United, Guardiola said: "All I can talk about is the experience of playing twice against Ruben's Sporting Lisbon team, one or two seasons ago, and the pressure was really, really good.
"I spoke with Matheus Nunes - he was his player - and he speaks highly about him. And this season he's unbeaten and winning all the games in the Portuguese League and the Champions League, with the same points as us.
"So he's a high manager. I have the feeling that United, from what I hear, if they're thinking about him, it's because he's a good manager.
"United don't appoint managers who aren't at that level, so after five, six or seven years, we cannot say he is not able to lead United."
"What's going to happen, I don't know, because what happened here in my experience here, doesn't mean it works for the other ones.
"Everyone is everyone - the manager is the team, the club, the structure, the physios, the doctors, the players, it's many things. What happened here doesn't mean it's going to happen in another place."
Asked if it was too soon for Amorim to lead a club the size of United, Guardiola said: "Why so quick? Why is it a problem? I started at Barcelona at 37 years old, coming into the fourth division. So knowledge is knowledge.
"If you are able, it doesn't matter. For that reason, Lamine Yamal could not play football at 17 years old, right? So you have to wait until he's 24. There are players who are 56 or 57 who aren't able to be managers. So what's important is talent. If you're good, it doesn't matter the age."
Sporting confirmed United's approach for Amorim in an official club statement.
It read: "Manchester United expressed interest in hiring coach Ruben Amorim, with the board of directors of Sporting SAD referring to the terms and conditions set out in the employment contract in force between the company and the coach, specifically for the respective termination clause and for the amount of €10,000,000.
"Manchester United FC expressed interest in paying Sporting SAD the value of the aforementioned clause."
United are set to face Leicester in the Carabao Cup on Wednesday night, marking their first match since the dismissal of Erik ten Hag on Monday.
The reins have been handed over to interim coach Ruud van Nistelrooy for the cup clash.