The Stuttgart midfielder has been strongly linked in the Spanish press with a move to the Bernabeu on the back of his impressive showing at the World Cup.

The 23-year-old, who is under contract with Stuttgart until June 2011, scored a decisive header in a 3-2 win against Uruguay in the third-place play-off, and has been tipped to become new boss Jose Mourinho's next signing.

But Khedira's agent Jorg Neubauer rubbished suggestions the player had already met with the Portuguese.

"That is nonsense," Neubauer told www.sport1.de.

"We have at this moment in time had no personal contact with Real Madrid. If someone rings me in five minutes then it will be different. But up until now we've had no contact."

Ten members of Madrid's senior squad reported for pre-season duty today for the first time under Mourinho.

Among them was reserve goalkeeper Jerzy Dudek, whom the club confirmed has signed a one-year contract extension

The Pole's previous deal expired this month.

"Real Madrid and Jerzy Dudek have reached an agreement for the player to remain at the club until June 2011,'' read a statement from the club.

The 37-year-old joined Madrid in the summer of 2007 from Liverpool and has had limited playing time as an understudy to Iker Casillas.

Madrid's World Cup winners, including captain Casillas, are expected to link up with their team-mates on August 2.

Two players absent from the club's training ground in Valdebebas, where those in attendance underwent medical examinations, were veteran striker Raul and midfielder Guti.

The Spaniards are both under contract with the club for another year but have yet to confirm if they will remain at the Bernabeu for the 2010/11 campaign.

Guti has been strongly linked with Turkish side Besiktas.

So far this summer, Madrid's only new signing has been Argentina midfielder Angel di Maria.

Di Maria has joined from Benfica in a 25million euro transfer.

Reports in the local media also suggest the club could finalise the acquisition of Spanish midfielder Pedro Leon from Getafe in the next 24 hours.