Manchester United and Manchester City are set to compete for the signing of 20-year-old Benfica and Portugal Under-20 midfielder Florentino Luis.

Tottenham will again be offered the chance to sign £65m-rated Juventus and Argentina forward Paulo Dybala, 25, when the transfer window reopens in January after failing to complete a deal in the summer.

Real Madrid have agreed to sell Costa Rica goalkeeper Keylor Navas, 32, to Paris St-Germain, on the condition that French keeper Alphonse Areola, 26, heads in the opposite direction on loan.

Italian giants Sampdoria want to sign Swansea's Ghana international winger Andre Ayew, 29, on loan before the European transfer window closes.

Tottenham fear they could lose Christian Eriksen in the next few days for as little as £30m as both Real Madrid and Atletico Madrid are weighing up bids for him.