The majority of Manchester United's players returned for pre-season training on Monday morning, but none of them had their usual leader.
The Portuguese forward has told the club that he wants to leave in order to play in the European club competition.
United accepted the explanation that his absence from training was due to family reasons.
Despite his desire to leave, United's stance is that he has a year left on his contract and is not for sale.
The rest of the squad arrived on Monday morning after the rest of the United players started their pre-season schedule last week.
"Manchester United wanted this week to mark major recruitment and squad shape progress ahead of tour, yet it'll now be shadowed by the Cristiano show." The club doesn't need a distraction and can't let it get out of hand. It's required.
Two of the players who arrived at Carrington for 9am on Monday were Bruno and Raphael Varane.
Another player who was seen on Monday morning was about to sign with another team. The first signing will be left-back Malacia.
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Concerns that he won't be able to compete for the biggest trophies at the club is what caused him to want to leave.
The 37-year-old feels the urge to win more in the twilight of his career, but may not be able to do that at Old United. In the last five years, United failed to win a trophy.
United are yet to make any additions to their squad in the current transfer window, and that is something thatRonaldo is worried about. The club has lost 13 players this summer.
This coming season will be the first time in his career that he won't play in the European Championship if he stays at United.
The Portugal international has never played in the Europa League, which United will be in next season, and has never played in the UEFA Cup, which he did in the 2002/03 season.
United have taken the stance that he is not for sale and expect him to see out the rest of his contract.
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Manchester United's lack of transfer activity this summer is more concerning to me than the loss of the world's most valuable player,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Finding a new goal scorer is going to be difficult. They have to think about this for a year.
You want to break records in the European Championship when you are a player. When you're a world-class player, you have those kinds of discussions.
It's possible that Ten Hag's plan is a middle term one and the short term one forRonaldo is just one or two years at the top level as Man United is below that level and the manager is new. There is a conflict in that.
"Ronaldo has done his part and I'm not happy that United fans want him to leave." He's been a leader and behaved well when times were hard.
It's not nice when you have to consider the plan and there are players in rival clubs.
Man City have done business that is complimentary and meshes well with their plan. Other clubs have done their work as well.
Speaking at the beginning of June,Ronaldo said he was very happy to stay at United and predicted they would rebound from a terrible season in 2021.
The Portugal captain has changed his mind. Sky Sports looked at why he might leave.
Sky sports journalist Sam Blitz is a football writer.
Malacia fits the bill in the two areas of the pitch, as he is known for his attacking philosophy with some slick passing."
The 22-year-old finished more shots and take-ons than any other defender in the Eredivisie. Malacia can beat his opponent and produce the end product he needs.
The player is comfortable on the ball. Malacia completed more final third passes than anyone else in the Eredivisie. Malacia's six completed through balls is a high for defenders in the Dutch top flight.
There is some solidity at the back. No Eredivisie-based left-back completed more tackles than the 22-year-old last season, while only Blind managed to take the ball off opponents more times in the middle and attacking third.