Selhurst Park centre-back Marc Guehi is now a major focus for the Italian club, while Bournemouth forward Antoine Semenyo holds a secret exit clause, and the Blues have interest in Portuguese prospect Cardoso Varela.
Serie A contenders Inter Milan have entered the hunt to secure the signature of Crystal Palace defender Marc Guehi, however Liverpool are still the leading candidates to obtain the 25-year-old English star.
Bournemouth attacker Antoine Semenyo possesses a release clause in his contract, however the club are keeping it under wraps as they want to retain 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-old Portugal forward Cardoso Varela, bringing to the transfer speculation around the young talent.
Brighton do not plan to sell Cameroonian midfielder Carlos Baleba in January, even though the 21-year drawing interest from Manchester United during the previous window.
Manchester United have positioned Crystal Palace and English player Adam Wharton, 21, ahead of Baleba on their list of recruitment objectives.
Manchester United are evaluating extending Brazilian star Casemiro's deal beyond this campaign, however provided the 33-year agrees to a salary cut.
Attention in Casemiro has emerged from Brazilian clubs and Saudi Arabia, but Manchester United boss Ruben Amorim could argue for the former Real Madrid star to stay.
Barcelona shot-stopper Marc-Andre ter Stegen, 33, has stated that he does not intend to depart the club, despite interest from Manchester United and Newcastle United.
Crystal Palace full-back Daniel Munoz is desired by Barcelona, yet the club will not allow the 29-year Colombian international leave in the winter.
Former Tottenham football officer Scott Munn's decision to join Serie A side Parma instead of Nottingham Forest is a further indication that boss Ange Postecoglou is on uncertain footing at the club.
Recently appointed Newcastle recruitment chief Ross Wilson will oversee an review into the contract situation of the club's top players, as the team look to prevent a recurrence of the player drama that saw Swedish striker Alexander Isak, 26, move to Liverpool.
Chelsea have no concern over the long-term of Ecuador midfielder Moises Caicedo, 23-year-old, after the very visible dismissal of his representative.
Caicedo is expected to be offered with a new contract by Chelsea to deter interest from Real Madrid.
Borussia Dortmund are keen on Barcelona's 17-year Spanish youngster Guille Fernandez, who has not yet earn a senior appearance with the Catalan side.
Mira is a tech journalist and AI researcher with over a decade of experience covering emerging technologies and their societal impacts.