Real Madrid are preparing a blockbuster deal worth up to €220 million (£188m) to sign Bayern Munich and France forward Michael Olise.
Tottenham are exploring a move for AC Milan and Portugal winger Rafael Leao, 27, who is understood to be open to a switch to north London.
The future of Paris St-Germain forward Bradley Barcola, 23, remains uncertain, with both Arsenal and Liverpool monitoring the France international.
Newcastle United have identified Stuttgart and Germany midfielder Angelo Stiller, 25, as a priority target to strengthen their midfield.
Manchester United are keeping tabs on San Lorenzo and Paraguay goalkeeper Orlando Gill, 26.
Tottenham have also added Liverpool and Netherlands forward Cody Gakpo, 27, and Manchester City and Brazil winger Savinho, 22, to their shortlist of summer targets.
Trabzonspor and Ivory Coast midfielder Christ Inao Oulai, 20, is attracting interest from Juventus, Fiorentina, Brentford, Brighton, and RB Leipzig.
Tottenham defender Radu Dragusin is set to join Fiorentina on an initial loan, with an obligation to buy that could see the deal rise to £21.4m if certain conditions are met.
Hull City are targeting Napoli and Serbia goalkeeper Vanja Milinkovic-Savic, 29, as they prepare for life back in the Premier League.
Sporting CP and Portugal defender Gonçalo Inacio, 24, has emerged as one of AC Milan's leading defensive targets ahead of next season.
Chelsea defender Trevoh Chalobah, 26, would favour a move to Inter Milan if he leaves Stamford Bridge this summer.
West Ham United are considering a move for Sheffield United midfielder Sydie Peck, while Blades left-back Harrison Burrows is also on the Hammers' radar.
Derby County are in advanced negotiations to sign Manchester City striker Divin Mubama on loan.
QPR goalkeeper Joe Walsh is expected to join Wigan Athletic on loan for the upcoming season.
Wigan Athletic and Huddersfield Town are leading the race to sign Trinidad & Tobago defender Kieran Ngwenya following his departure from Dunfermline Athletic.
Mansfield Town remain in talks with Preston North End striker Michael Smith, although the League One club is struggling to reach an agreement over the proposed transfer.
