Selhurst Park centre-back Marc Guehi emerges as a primary target for Inter Milan, while Bournemouth striker Antoine Semenyo holds a confidential exit clause, and the Blues are keen on Portuguese prospect Cardoso Varela.
Serie A contenders Inter Milan are now part of the race to acquire the signature of Crystal Palace defender Marc Guehi, though Liverpool continue to be the frontrunners to sign the 25-year-old England international.
Bournemouth forward Antoine Semenyo does have a release clause in his contract, however the team are keeping it under wraps as they intend to keep the 25-year-old Ghanaian player, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are each monitoring Dinamo Zagreb's 16-year-old Portugal striker Cardoso Varela, bringing to the transfer rumours surrounding the young prospect.
Brighton do not plan to sell Cameroon player Carlos Baleba in January, despite the 21-year attracting interest from Manchester United last summer.
Manchester United have placed Crystal Palace and England player Adam Wharton, 21-year-old, above Baleba on their shortlist of recruitment objectives.
Manchester United are evaluating renewing Brazil midfielder Casemiro's contract beyond this campaign, however only if the 33-year-old accepts a wage cut.
Attention in Casemiro has come from Brazilian clubs and Saudi clubs, yet Manchester United boss Ruben Amorim may make a case for the ex- Real Madrid star to remain.
Barcelona shot-stopper Marc-Andre ter Stegen, 33, has emphasised that he does not intend to depart the team, even with interest from Manchester United and Newcastle United.
Crystal Palace full-back Daniel Munoz is wanted by Barcelona, yet the club will not allow the 29-year-old Colombian player leave in January.
Ex- Tottenham chief Scott Munn's decision to take a role at Italian club Parma instead of Nottingham Forest is a further indication that manager Ange Postecoglou is on shaky ground at the City Ground.
New Newcastle sporting director Ross Wilson will oversee an review into the contract situation of the team's key players, as the club aim to avoid a repeat of the player saga that saw Sweden forward Alexander Isak, 26, move to Liverpool.
Chelsea have no concern over the long-term of Ecuador midfielder Moises Caicedo, 23, following the very visible dismissal of his representative.
Caicedo is set to be offered with a fresh deal by Chelsea to deter attention from Real Madrid.
Borussia Dortmund are interested in Barcelona's 17-year Spain midfielder Guille Fernandez, who has yet to earn a senior appearance with the Catalan club.
A tech strategist with over a decade of experience in digital innovation and AI-driven solutions for global enterprises.