Selhurst Park defender Marc Guehi has become a key objective for Inter Milan, while the Cherries striker Antoine Semenyo has a secret release clause, and the Blues are keen on Portuguese prospect Cardoso Varela.
Serie A contenders Inter Milan have entered the hunt to acquire the signature of Crystal Palace centre-back Marc Guehi, though Liverpool are still the leading candidates to sign the 25-year-old England star.
Bournemouth forward Antoine Semenyo has included a buyout clause in his contract, however the team are holding it confidential as they intend to retain the 25-year-old Ghana international, who has been linked from Tottenham and Manchester United.
Chelsea and Barcelona are each watching Dinamo Zagreb's 16-year-old Portuguese striker Cardoso Varela, bringing to the transfer speculation surrounding the young prospect.
Brighton are not looking to sell Cameroon player Carlos Baleba in the winter window, even though the 21-year-old drawing interest from Manchester United last summer.
Manchester United have placed Crystal Palace and England player Adam Wharton, 21, ahead of Baleba on their shortlist of transfer targets.
Manchester United are considering extending Brazil star Casemiro's contract past this campaign, but provided the 33-year-old agrees to a wage reduction.
Attention in Casemiro has emerged from Brazil and Saudi Arabia, yet Manchester United boss Ruben Amorim could argue for the ex- Real Madrid star to stay.
Barcelona goalkeeper Marc-Andre ter Stegen, 33-year-old, has emphasised that he has no plans to depart the team, even with interest 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 Colombia international leave in January.
Ex- Tottenham football officer Scott Munn's decision to join Italian club Parma instead of Nottingham Forest is a additional indication that manager Ange Postecoglou is on uncertain footing at the City Ground.
New Newcastle sporting director Ross Wilson will lead an audit into the contract status of the club's key stars, as the club look to avoid a repeat of the player drama that saw Sweden striker Alexander Isak, 26, move to Liverpool.
Chelsea are not worried over the future of Ecuadorian midfielder Moises Caicedo, 23, after the public dismissal of his agent.
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 Spanish youngster Guille Fernandez, who has yet to earn a first-team appearance with the Spanish club.
