Selhurst Park centre-back Marc Guehi emerges as a primary target for Inter Milan, while Bournemouth striker Antoine Semenyo has a confidential exit clause, and the Blues are keen on Portuguese teenager Cardoso Varela.
Italian powerhouse Inter Milan have entered the race to sign the services of Crystal Palace defender Marc Guehi, though Liverpool continue to be the frontrunners to land the 25-year-old England star.
Bournemouth attacker Antoine Semenyo does have a release clause in his deal, however the team are keeping it confidential as they want to keep the 25-year-old Ghanaian player, who has been linked from Tottenham and Manchester United.
Chelsea and Barcelona are each monitoring Dinamo Zagreb's 16-year Portuguese forward Cardoso Varela, bringing to the recruitment speculation surrounding the young prospect.
Brighton do not plan to cash in on Cameroonian midfielder Carlos Baleba in the winter window, despite the 21-year-old attracting attention from Manchester United last summer.
Manchester United have placed Crystal Palace and English midfielder Adam Wharton, 21, above Baleba on their shortlist of transfer targets.
Manchester United are evaluating extending Brazilian star Casemiro's deal beyond this campaign, however provided the 33-year-old accepts a wage reduction.
Attention in Casemiro has come from Brazil and Saudi clubs, yet Manchester United manager Ruben Amorim could argue for the ex- Real Madrid star to remain.
Barcelona goalkeeper Marc-Andre ter Stegen, 33, has stated that he has no plans to leave the team, despite attention from Manchester United and Newcastle United.
Crystal Palace defender Daniel Munoz is desired by Barcelona, yet the club will refuse to let the 29-year-old Colombian international leave in January.
Former Tottenham chief Scott Munn's decision to take a role at Italian club Parma rather than Nottingham Forest is a additional indication that manager Ange Postecoglou is on uncertain footing at the City Ground.
New Newcastle recruitment chief Ross Wilson will oversee an review into the deal situation of the club's key players, as the team look to avoid a recurrence of the player saga that saw Sweden forward Alexander Isak, 26-year-old, move to Liverpool.
Chelsea are not worried over the long-term of Ecuador talent Moises Caicedo, 23-year-old, after the very visible dismissal of his representative.
The midfielder is expected to be rewarded with a fresh deal by Chelsea to ward off attention from Real Madrid.
Borussia Dortmund are interested in Barcelona's 17-year Spain midfielder Guille Fernandez, who has yet to earn a senior appearance with the Spanish club.
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