Never mind the Champions League triumphs with FC Porto and Inter Milan, or the multiple league titles with Chelsea and Real Madrid, Jose Mourinho insists the highlight of his career so far has been coaching Cristiano Ronaldo.

The Portuguese compatriots worked together for three years at the Bernabeu, where the prolific Ronaldo remains today, and Mourinho does not believe he has ever coached a more professional footballer.

"Coaching him was the highlight of my career. He's the most professional player I've ever met," he told France Football.

Mourinho's positive comments come as a slight surprise given the breakdown in the relationship between the two.

Back in August, Mourinho appeared to antagonise the former Manchester United star by suggesting Brazil legend Ronaldo was the "real" Ronaldo.

However, Ronaldo - Cristiano, that is - responded by saying that Mourinho was "not worth" talking about.

Despite this, Mourinho insists he has no problem with the 2008 Ballon d'Or winner.

"A coach and player may have their differences at a given time, but it ends there," he added. "I don't have any problem."

Mourinho's latest comments are likely to ease any tension between the two. Ronaldo was linked with a move to Chelsea in the summer, but the 28-year-old ended speculation in September by signing a contract extension with Los Blancos.

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