Arsenal are reportedly refusing to abandon their pursuit of Argentina forward Julian Alvarez, 26, who is said to be keen on leaving Atletico Madrid.
Meanwhile, Manchester City have identified Everton's Iliman Ndiaye, 26, as a potential target. Everton reportedly value the Senegal international at approximately £80m.
Aston Villa have made direct contact with AC Milan regarding Portugal winger Rafael Leao, 27, as they aim to secure his signature ahead of Galatasaray.
In other transfer news, Nottingham Forest have made an offer of up to £22m for Crystal Palace's Daniel Munoz, 30. Chelsea are also in talks to sell Spanish striker Marc Guiu, 20, to Napoli, with the deal progressing.