Liverpool face a sales decision for Sepp van den Berg.
The defender has enjoyed a superb season on-loan at Mainz.
The Athletic's James Pearce reports there is interest in Van den Berg from several clubs.
Premier League rivals Southampton and Brentford, as well as Wolfsburg, are all interested.
Liverpool value the centre-back at approximately 20m.
Van den Berg has a contract with the Reds that runs until the summer of 2026.