Man Utd keeper De Gea: I know I've improved

Manchester United goalkeeper David De Gea says he's improved since moving from Atletico Madrid. But De Gea insists he still has a long way to go to be regarded among the world's best.

Manchester United goalkeeper David De Gea says he's improved since moving from Atletico Madrid.

But De Gea insists he still has a long way to go to be regarded among the world's best.

"I've grown a lot," he said. "I think I still must grow to be among the best."

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