Selhurst Park centre-back Marc Guehi emerges as a primary target for the Italian club, while the Cherries striker Antoine Semenyo has a undisclosed buyout clause, and the Blues have interest in Portuguese prospect Cardoso Varela.
Serie A contenders Inter Milan have entered the hunt to sign the services of Crystal Palace defender Marc Guehi, though Liverpool are still the leading candidates to sign the 25-year-old England international.
Bournemouth forward Antoine Semenyo has included a buyout clause in his deal, but the team are keeping it confidential as they intend to hold onto the 25-year Ghana player, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are both tracking Dinamo Zagreb's 16-year Portugal forward Cardoso Varela, adding to the recruitment speculation surrounding the emerging prospect.
Brighton are not looking to cash in on Cameroonian midfielder Carlos Baleba in the winter window, despite the 21-year-old drawing interest from Manchester United last summer.
Manchester United have positioned Crystal Palace and English player Adam Wharton, 21, above Baleba on their shortlist of recruitment objectives.
Manchester United are evaluating extending Brazilian midfielder Casemiro's deal past this season, but provided the 33-year agrees to a wage cut.
Interest in Casemiro has come from Brazilian clubs and Saudi Arabia, yet Manchester United boss Ruben Amorim could argue for the ex- Real Madrid player to remain.
Barcelona shot-stopper Marc-Andre ter Stegen, 33, has stated that he does not intend to depart the club, despite interest from Manchester United and Newcastle United.
Crystal Palace defender Daniel Munoz is wanted by Barcelona, yet the Eagles will not allow the 29-year Colombia player depart in the winter.
Ex- Tottenham chief Scott Munn's decision to take a role at Italian side Parma rather than Nottingham Forest is a further sign that boss Ange Postecoglou is on shaky ground at the club.
Recently appointed Newcastle sporting director Ross Wilson will lead an audit into the deal status of the club's top stars, as the club look to prevent a repeat of the player saga that saw Sweden striker Alexander Isak, 26, move to Liverpool.
Chelsea are not worried over the long-term of Ecuador talent Moises Caicedo, 23, after the public axing of his agent.
Caicedo is set to be rewarded with a fresh deal by Chelsea to deter interest from Real Madrid.
Borussia Dortmund are interested in Barcelona's 17-year-old Spain midfielder Guille Fernandez, who has not yet make a first-team appearance with the Catalan club.
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