Liverpool face competition from Barcelona and Real Madrid for Stuttgart defender Finn Jeltsch, Chelsea remain interested in Bournemouth midfielder Alex Scott, while Arsenal, Tottenham and Newcastle are among several clubs monitoring Germany striker Nicolo Tresoldi.
Liverpool, Barcelona and Real Madrid are among several leading European clubs showing interest in Stuttgart's highly rated 20-year-old German centre-back Finn Jeltsch.
Chelsea have made Bournemouth's 23-year-old England midfielder Alex Scott a priority target after a proposed summer move failed to materialise. Liverpool are also keeping tabs on the midfielder as they consider their options.
Chelsea, Manchester City, Arsenal, Tottenham and Newcastle have all sent scouts to monitor Club Brugge's 22-year-old Germany youth international striker Nicolo Tresoldi.
However, Club Brugge have made it clear that Tresoldi will not be available for transfer during the January window.
Manchester United had reportedly considered dismissing manager Michael Carrick this week but ultimately held off after failing to identify a suitable replacement.
Manchester United would reportedly need to pay Newcastle approximately £3m in compensation should they decide to appoint Eddie Howe as Carrick's successor.
Brighton remain confident of retaining 23-year-old Paraguay international midfielder Diego Gomez despite growing interest from AC Milan and Atletico Madrid.
Crystal Palace manager Pierre Sage is facing mounting pressure over his future, with Saturday's clash against Tottenham potentially decisive. Another defeat could prompt the club to consider a managerial change.
Liverpool are preparing to pursue Valencia's 19-year-old Spanish winger David Otorbi in January, even if the La Liga club exercises its option to increase his release clause from £30m to £50m.
Juventus have identified Monaco's 25-year-old United States international striker Folarin Balogun as their leading January transfer target after his proposed deadline-day move to Everton collapsed.