Selhurst Park defender Marc Guehi emerges as a primary target for Inter, while Bournemouth striker Antoine Semenyo holds a undisclosed buyout clause, and the Blues have interest in young Portuguese teenager Cardoso Varela.
Serie A contenders Inter Milan have joined the hunt to sign the signature of Crystal Palace defender Marc Guehi, but Liverpool continue to be the leading candidates to obtain the 25-year-old English international.
Bournemouth forward Antoine Semenyo has included a release clause in his deal, however the club are maintaining it confidential as they intend to retain the 25-year Ghana player, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are both watching Dinamo Zagreb's 16-year Portugal forward Cardoso Varela, adding to the transfer rumours around the emerging prospect.
Brighton are not looking to sell Cameroon player Carlos Baleba in the winter window, despite the 21-year drawing interest from Manchester United during the previous window.
Manchester United have positioned Crystal Palace and England player Adam Wharton, 21-year-old, above Baleba on their list of transfer targets.
Manchester United are considering renewing Brazilian midfielder Casemiro's deal past this campaign, but provided the 33-year agrees to a wage cut.
Interest in Casemiro has emerged from Brazilian clubs and Saudi Arabia, but Manchester United manager Ruben Amorim may make a case for the ex- Real Madrid star to remain.
Barcelona shot-stopper Marc-Andre ter Stegen, 33, has stated that he does not intend to leave the club, despite interest from Manchester United and Newcastle United.
Crystal Palace defender Daniel Munoz is desired by Barcelona, yet the Eagles will not allow the 29-year-old Colombia international depart in the winter.
Ex- Tottenham chief Scott Munn's choice to join Italian side Parma rather than Nottingham Forest is a further sign that manager Ange Postecoglou is on shaky footing at the club.
New Newcastle recruitment chief Ross Wilson will lead an review into the deal status of the club's top players, as the club aim to prevent a recurrence of the player saga that saw Sweden striker Alexander Isak, 26-year-old, join Liverpool.
Chelsea have no concern over the future of Ecuadorian talent Moises Caicedo, 23, following the very visible dismissal of his representative.
Caicedo is expected to be rewarded with a new contract by Chelsea to ward off interest from Real Madrid.
Borussia Dortmund are keen on Barcelona's 17-year-old Spain youngster Guille Fernandez, who has yet to make a first-team appearance with the Spanish side.
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