Manchester United boss David Moyes remains keen on Sporting Lisbon midfielder William Carvalho.
O Jogo says United scouts continue to be present at Sporting games, despite talk of a deal for Carvalho drying up in recent weeks.
The young midfielder's buyout clause is set at £37 million.
United will face competition from Real Madrid and Barcelona in the pursuit of Carvalho who won his first cap for his country against Sweden last November.
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