Selhurst Park defender Marc Guehi has become a key objective for Inter Milan, while the Cherries striker Antoine Semenyo holds a confidential exit clause, and the Blues have interest in Portuguese teenager Cardoso Varela.
Serie A contenders Inter Milan are now part of the competition to sign the signature of Crystal Palace centre-back Marc Guehi, though Liverpool continue to be the leading candidates to land the 25-year-old England star.
Bournemouth forward Antoine Semenyo possesses a release clause in his contract, but the team are holding it under wraps as they aim to keep the 25-year Ghanaian international, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are each watching Dinamo Zagreb's 16-year-old Portugal forward Cardoso Varela, bringing to the transfer speculation surrounding the young prospect.
Brighton do not plan to cash in on Cameroon midfielder Carlos Baleba in January, despite the 21-year drawing attention from Manchester United last summer.
Manchester United have placed Crystal Palace and England midfielder Adam Wharton, 21-year-old, ahead of Baleba on their list of transfer targets.
Manchester United are considering renewing Brazilian midfielder Casemiro's contract beyond this campaign, but provided the 33-year agrees to a salary reduction.
Attention in Casemiro has emerged from Brazilian clubs and Saudi clubs, but Manchester United boss Ruben Amorim may make a case for the ex- Real Madrid star to remain.
Barcelona goalkeeper Marc-Andre ter Stegen, 33, has made it clear that he has no plans to depart the club, even with attention from Manchester United and Newcastle United.
Crystal Palace defender Daniel Munoz is wanted by Barcelona, but the club will refuse to let the 29-year Colombia player leave in the winter.
Ex- Tottenham football officer Scott Munn's decision to take a role at Serie A club Parma instead of Nottingham Forest is a additional sign that boss Ange Postecoglou is on uncertain ground at the City Ground.
New Newcastle recruitment chief Ross Wilson will lead an audit into the deal status of the team's top players, as the team look to avoid a recurrence of the player drama that saw Swedish forward Alexander Isak, 26, move to Liverpool.
Chelsea have no concern over the future of Ecuador midfielder Moises Caicedo, 23, after the public dismissal of his representative.
The midfielder is set to be offered with a fresh deal by Chelsea to ward off attention from Real Madrid.
Borussia Dortmund are interested in Barcelona's 17-year-old Spanish midfielder Guille Fernandez, who has yet to earn a senior appearance with the Spanish club.
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