Ralf Rangnick responds to Roy Keane comments over Cristiano Ronaldo

After the loss at Manchester City, the medical department of Manchester United was under scrutiny, but the faith of the club's manager was not in that department.

The 187th Manchester derby was canceled due to an injury toRonaldo, who did not travel with the United squad.

Roy Keane questioned the authenticity of the injury ofRonaldo before kick-off, saying that it doesn't add up to him.

The sister ofRonaldoliked a post that claimed he was not injured and that he was dropped by Rangnick.

After the United's defeat to City, Rangnick responded to the claims made by Keane.

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The United interim boss explained that his doctor told him that he couldn't train because of a hip problem, and that the same thing happened on Saturday.

The availability of Edinson Cavani, who was used in a false-nine position, was also questioned.

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Rangnick: I cannot force a player to play

The player who informed Rangnick he did not feel he could play was the one who was missing for the sixth game in a row. In his absence, United did not register a single effort in the second half.

If I tell you that it is frustrating, it will help. As a manager, I have to accept it.

I cannot force a player to play if he doesn't think he can.

He trained well in the last three days, but he still felt that he was not fit to play.

As a manager, I cannot force a player to play if he doesn't feel right.

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It was the second defeat of the season for United, and the first away from home since Ole Gunnar Solskjaer left.

The chasm is 22 points between the champion and their cross-city rivals. Although he refused to be drawn on the precise areas where improvements are needed, Rangnick did not lose sight of the enormity of the task United have in front of them.

The second half showed that it was almost impossible to keep them away from your own goal if they were 3-1 up.

I am still the manager of this team for another 10 games in the premier league and hopefully a few more games in europe.

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It doesn't make sense to start speculating about how many players we need and what positions we need them in. Right now it is about preparing the team for the Spurs game and then for a very important game against Atlante in the playoffs.

I am happy with the players we have. We have a team in the last couple of weeks and months, so it's important to look ahead.

We have shown we are capable of winning other games when we play against Manchester City. In the next two and a half months, this is my major job.

Pep hails one of City's best performances

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It was a perfect response to the victory over West Ham by City, as they cut the lead to three points.

The performance was one of the best of his tenure, and he called for more of the same as the champions try to repel the best opponent the Spaniard has faced.

In the first half we struggled to get going, but we felt from the first minute of the second half that we had the game in our hands.

I know my players' limits, but I'm so demanding. I don't know what we have to do if the second half wasn't our best.

The biggest success for this team is to be able to fight the best opponents I have ever faced in my life.