Manchester United have received a boost on the transfer front, with Joao Neves refusing to say whether he will remain at Benfica.
19-year-old midfielder Neves is seen as an exciting prospect and has a buy out clause of £103million (€120million).
United have reportedly commenced transfer talks with Neves over a summer move.
Neves, who has three senior caps for Portugal, was asked whether he will stay at Benfica but wasn't able to give a direct answer.
Speaking at a press conference ahead of Benfica's Europa League game at home to Toulouse, Neves said: 'I promise to do my best in every training session, in every game, and I think that is one of my greatest qualities.