Real Madrid playmaker Mesul Ozil has fuelled speculation that Atletico Madrid's Sergio Aguero could be set to join Jose Mourinho's men, by stating the No.10 shirt is being reserved for the Argentine international.Aguero looks set to depart Atletico this summer, with several of Europe's big clubs interested in the striker.Madrid appear to be in the driving seat for the player, after Aguero declared he would prefer to stay in Spain. Atletico's arch-rivals would be in a position to meet the €45 million buy-out clause necessary to take 'El Kun' away from his team of five years.Ozil, who enjoyed an impressive debut season at the Bernabeu, has declared that the club will give the No.10 shirt to Aguero if he signs this summer."Madrid have reserved the number 10 shirt for Aguero," the German international told Saz Aktuell.The Real Madrid man's comments have cast further doubt over Lassana Diarra's future in the Spanish capital. The former Portsmouth midfielder and current occupant of the number 10 shirt is linked with a summer move to Manchester United, Liverpool, Tottenham and Juventus.Aguero enjoyed a profilic season for Atletico, scoring a total of 27 goals in 41 appearances for the La Liga outfit.Source: Goal.com