Manchester United has filed an official complaint to FIFA over Real Madrid’s attempts to unsettle Cristiano Ronaldo. The Spanish giants had continued to pursue Cristiano Ronaldo after several warnings from Manchester United.

Today the English champions took action and filed the complaint in hope of stopping Real Madrid from tampering with their superstar who is under contract with United for another four years.

Alex Ferguson reiterated that Manchester United would not consider selling Cristiano Ronaldo to another European rival.