Sporting Lisbon have slapped a £20 million price-tag on William Carvalho.

The Mirror says Manchester United are stepping up their interest in Carvalho.

Premier League champions United, exposed in the middle of the park while slumping to ninth place under new boss David Moyes, have sent scouts to watch 21-year-old in his last SIX games.

The Portuguese club are demanding £20million for the services of a player who has been on their books since the age of eight.

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