After refusing to play against Spurs, he might face a backlash from Manchester United fans.
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If the forward makes his return to the first team on Monday, he could face a backlash from fans who feel he has disrespected the club.
At a news conference on Friday, Ten Hag said that he needed to be aware of how he was being judged.
It is not about age or reputation in top sports. You are judged by how you act when you have top sport.
It's normal. Everyone has to know about it. We have to be aware of it as a team.
"I would like for him to stay at Old United until the end of the season, but I will only allow him back into the squad if he meets certain standards," said Ten Hag.
The captain of Portugal is expected to be available for the game against FC Sheriff on Thursday but a decision won't be made until after the trip to London.
There is a notebook about a deal in January.
Ten Hag said it was for the game.
I'm willing to do that. I think it's a strike. We said in the statement that he is still an important part of the squad and I expect him to be with us for the rest of the season. We would like to fulfill our ambitions.
I don't want to be away from him. He has an impact and I want him to be a part of the squad.
According to sources, the decision about how to handle the situation was left to Ten Hag, and that United supported his response to the situation.
When he interviewed for the job earlier this year, Ten Hag made it clear that he wanted his players to play for him.
"When I was appointed, I talked to the directors about the culture, top sport culture, standards and that's why they hired me," said Ten Hag.
We talked about how I lead, what my personality is and how I do it in a strategic way.