Barcelona midfielder Thiago Alcantara says Manchester United are signing potentially the best goalkeeper in the world.

Both Thiago and Atletico Madrid keeper David De Gea will line up for Spain U21 tomorrow against England.

"'De Gea will be the best keeper in the world in a few years," said Alcantara of his Manchester United-bound colleague.

"He has everything - the hands, strength and the feet. There is nothing in goalkeeping he is not brilliant at."

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