Crystal Palace defender Marc Guehi emerges as a major focus for the Italian club, while the Cherries forward Antoine Semenyo holds a confidential buyout clause, and the Blues are keen on young Portuguese prospect Cardoso Varela.
Serie A contenders Inter Milan are now part of the hunt to sign the services of Crystal Palace centre-back Marc Guehi, however Liverpool continue to be the favourites to sign the 25-year England international.
Bournemouth forward Antoine Semenyo has included a buyout clause in his contract, but the club are holding it confidential as they intend to keep the 25-year-old Ghana player, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are both tracking Dinamo Zagreb's 16-year-old Portuguese forward Cardoso Varela, bringing to the transfer speculation surrounding the young talent.
Brighton have no intention to cash in on Cameroon midfielder Carlos Baleba in the winter window, despite the 21-year drawing attention from Manchester United last summer.
Manchester United have placed Crystal Palace and England player Adam Wharton, 21, above Baleba on their shortlist of recruitment objectives.
Manchester United are evaluating renewing Brazilian midfielder Casemiro's contract past this season, however provided the 33-year agrees to a salary reduction.
Interest in Casemiro has come from Brazilian clubs and Saudi clubs, but Manchester United boss Ruben Amorim could argue for the ex- Real Madrid star to remain.
Barcelona shot-stopper Marc-Andre ter Stegen, 33, has stated that he has no plans to leave the club, 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 Colombian player depart in the winter.
Former Tottenham chief Scott Munn's choice to take a role at Italian side 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 contract status of the club's key stars, as the club look to prevent a repeat of the player drama that saw Swedish striker Alexander Isak, 26-year-old, join Liverpool.
Chelsea are not worried over the long-term of Ecuador talent Moises Caicedo, 23-year-old, after the public axing of his agent.
Caicedo is expected to be offered with a new contract by Chelsea to deter attention from Real Madrid.
Borussia Dortmund are interested in Barcelona's 17-year Spanish midfielder Guille Fernandez, who has not yet earn a senior appearance with the Spanish side.
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