Crystal Palace defender Marc Guehi has become a major focus for the Italian club, while Bournemouth forward Antoine Semenyo has a secret buyout clause, and the Blues have interest in Portuguese teenager Cardoso Varela.
Serie A contenders Inter Milan are now part of the competition to acquire the services of Crystal Palace centre-back Marc Guehi, but Liverpool remain the frontrunners to sign the 25-year-old English international.
Bournemouth forward Antoine Semenyo possesses a release clause in his deal, but the team are holding it confidential as they aim to retain the 25-year-old Ghanaian player, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are both tracking Dinamo Zagreb's 16-year-old Portugal striker Cardoso Varela, adding to the transfer rumours surrounding the emerging talent.
Brighton have no intention to cash in on Cameroonian midfielder Carlos Baleba in the winter window, even though the 21-year attracting interest from Manchester United last summer.
Manchester United have placed Crystal Palace and English player Adam Wharton, 21-year-old, ahead of Baleba on their shortlist of recruitment objectives.
Manchester United are evaluating renewing Brazilian midfielder Casemiro's deal past this season, however provided the 33-year accepts a wage reduction.
Attention in Casemiro has emerged from Brazilian clubs and Saudi Arabia, but Manchester United manager Ruben Amorim may make a case for the former Real Madrid player to stay.
Barcelona shot-stopper Marc-Andre ter Stegen, 33-year-old, has made it clear that he does not intend to depart 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 Colombia international leave in the winter.
Former Tottenham chief Scott Munn's choice to join Serie A club Parma instead of Nottingham Forest is a additional sign that boss Ange Postecoglou is on uncertain ground at the club.
Recently appointed Newcastle recruitment chief Ross Wilson will lead an review into the contract status of the club's top players, as the team look to prevent a recurrence of the transfer saga that saw Sweden striker Alexander Isak, 26-year-old, move to Liverpool.
Chelsea are not worried over the future of Ecuadorian midfielder Moises Caicedo, 23-year-old, after the public dismissal of his representative.
The midfielder is set to be rewarded with a new contract by Chelsea to deter interest from Real Madrid.
Borussia Dortmund are keen on Barcelona's 17-year Spain midfielder Guille Fernandez, who has not yet make a first-team appearance with the Spanish side.
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