Selhurst Park centre-back Marc Guehi is now a key objective for Inter Milan, while the Cherries forward Antoine Semenyo holds a confidential exit clause, and Chelsea are keen on Portuguese teenager Cardoso Varela.
Italian powerhouse Inter Milan have entered the competition to secure the services of Crystal Palace defender Marc Guehi, though Liverpool are still the favourites to obtain the 25-year England star.
Bournemouth forward Antoine Semenyo possesses a release clause in his contract, however the team are maintaining it private as they want to hold onto the 25-year Ghanaian player, who has attracted interest from Tottenham and Manchester United.
Chelsea and Barcelona are each watching Dinamo Zagreb's 16-year Portuguese striker Cardoso Varela, adding to the transfer rumours around the young prospect.
Brighton have no intention to sell Cameroonian midfielder Carlos Baleba in the winter window, even though the 21-year-old drawing attention from Manchester United during the previous window.
Manchester United have positioned Crystal Palace and English midfielder Adam Wharton, 21, ahead of Baleba on their shortlist of recruitment objectives.
Manchester United are evaluating renewing Brazilian star Casemiro's deal past this season, but provided the 33-year-old agrees to a salary reduction.
Attention in Casemiro has come from Brazilian clubs and Saudi Arabia, yet Manchester United boss Ruben Amorim could argue for the former Real Madrid star to stay.
Barcelona goalkeeper Marc-Andre ter Stegen, 33-year-old, has made it clear that he does not intend 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 Colombian international depart in January.
Ex- Tottenham football officer Scott Munn's decision to join Serie A side Parma instead of Nottingham Forest is a additional indication that manager Ange Postecoglou is on uncertain footing at the City Ground.
Recently appointed Newcastle sporting director Ross Wilson will oversee an review into the deal status of the club's top stars, as the team aim to prevent a repeat of the player drama that saw Sweden striker Alexander Isak, 26, move to Liverpool.
Chelsea have no concern over the long-term of Ecuadorian talent Moises Caicedo, 23, after the public dismissal of his representative.
The midfielder is expected to be rewarded with a fresh deal by Chelsea to deter interest from Real Madrid.
Borussia Dortmund are keen on Barcelona's 17-year Spanish midfielder Guille Fernandez, who has yet to make a senior appearance with the Spanish side.