Porto defender Alberto Costa is attracting interest from Arsenal and Manchester United, Manchester City would demand a significant fee for Erling Haaland if they are relegated, while Liverpool remain interested in Real Madrid midfielder Aurelien Tchouameni.
Manchester United and Arsenal are both closely monitoring Porto right-back Alberto Costa, 22, although the Premier League clubs face competition from Paris Saint-Germain for the Portuguese defender.
Manchester City would reportedly place a substantial price tag on Norway striker Erling Haaland, 26, should the club be relegated from the Premier League as a result of financial rule breaches.
Chelsea, Arsenal, Bayern Munich, Real Madrid and Barcelona are among the clubs interested in Haaland and are monitoring Manchester City's situation amid the possibility of sanctions.
Former Chelsea and Manchester City winger Raheem Sterling has reportedly been offered to two Ligue 1 clubs, but neither pursued a move for the 31-year-old England international, who is currently a free agent.
Besiktas president Serdal Adali has vowed to sign Newcastle United midfielder Joe Willock, 27, in January, claiming the Englishman has already selected a new home in Turkey.
Former Newcastle United manager Eddie Howe is reportedly not interested in returning to Premier League management with a lower or mid-table club such as Crystal Palace or Fulham, with the Englishman instead believed to favour taking charge of an underperforming major club.
Liverpool remain interested in Real Madrid midfielder Aurelien Tchouameni, despite the 26-year-old France international signing a new long-term contract with the Spanish club during the summer.
