The Portuguese winger – who celebrates his 27th birthday today – has told close friends that his ‘dream’ move to Real Madrid has become tarnished.

Earlier in the season, Ronaldo was jeered by some home fans who questioned his attitude.

Although relations between the player and supporters have improved as Real close in on the Spanish title, it has still left Ronaldo restless.

Cristiano Ronaldo could make a move back to an England club

The star – who joined Real from Manchester United in an £80million world record transfer in June 2009 – has confided to family and friends that he misses Old Trafford and in particular his former manager Sir Alex Ferguson, who he regarded as a father figure and mentor.