Sporting winger Flavio Goncalves could move to England during the January transfer window, with Chelsea and Manchester United preparing to compete for the 19-year-old, according to Transfer News Live, citing CaughtOffside.

Both clubs have been monitoring the Portugal Under-? no, not stated. Don't add. "Portuguese player". They could offer about €45m-€50m for Goncalves in January.

Sporting are reluctant to lose the highly rated player and are unlikely to lower their demands. The Lisbon club are expected to seek €60m, the value of Goncalves' release clause.

Goncalves has scored three goals and provided one assist in nine appearances for Sporting this season.