Jose Mourinho has pledged to keep playing Michael Ballack

Reports in the English and German media hinted at disquiet about his form.

But speaking ahead of the Carling Cup semi-final with Wycombe, Mourinho said: "Reports about problems in the dressing room are not correct."

And he added: "Do we want more from him in terms of performance? Not from him, from everybody."

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Mourinho also warned that he would not be pressurised into changing his team.

He said: "If the objective is to put some kind of pressure on me then no chance because I pick the team, nobody else does it. Press opinions, other player opinions are not for me.

"He plays against Wycombe and I hope it is the first step for him to play his first English cup final."