Manchester United manager Sir Alex Ferguson says he has enjoyed watching Cristiano Ronaldo develop as a player.

The Portuguese winger became the world's best player during his time with United, where he most notably shot United to Champions League glory in 2008.

Ronaldo is one of many players to have been nurtured by Ferguson during his 25 years at United, and the Scot has admitted to enjoying watching him grow.

"With all the young players that come to us in their formative years, you have got a job to make them good footballers but also to show them how to grow up the right way," he said.

"Cristiano came to us at 18, just a young lad from Portugal who didn't know the country.

"But he learned the language, adapted very well and he has turned out fantastically as a human being, just as was the case with the Nevilles, Scholes, Beckhams, Giggs and all those lads.

"I believe in young people," Ferguson added. "You need a foundation at a football club and that is vital. You can build a first team, but you really do need the back-up and the foundation to make it a football club."

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