Germany forward Kevin Schade is attracting interest from Liverpool, while Manchester City stars Erling Haaland and Phil Foden are being monitored by some of Europe’s biggest clubs.
Liverpool have emerged as genuine contenders to sign Brentford and Germany forward Kevin Schade, 24, who has also been linked with Manchester United.
Barcelona have confirmed they attempted to sign Argentina and Inter Milan forward Lautaro Martinez, 29, during the summer but were unable to complete a deal.
Real Madrid and Barcelona are both monitoring Norway and Manchester City striker Erling Haaland, 26, and could make a move should an opportunity to sign him arise.
German giants Bayern Munich could move for England midfielder Phil Foden, 26, if he becomes available for a transfer from Manchester City.
Italy and Atalanta defender Giorgio Scalvini, 22, is open to experiencing football abroad at some stage of his career, with Newcastle United and Chelsea having already expressed interest.
Nottingham Forest, Roma and Napoli target Dodo, 27, looks increasingly likely to leave Fiorentina in January, with several clubs interested in the Brazilian full-back.
Brighton and Gambia winger Yankuba Minteh, 22, remains keen on a move to Liverpool after a potential summer transfer failed to materialise.