Dutch centre-back Rav van den Berg, 22, must establish himself at 1.FC Köln as quickly as possible or be loaned out in the winter to get the necessary playing time. The Netherlands U21 international, who joined the club in August 2025 and has a contract until 2030, has attracted interest from clubs including West Ham United, Atalanta, and Everton. In September 2026, reports indicated West Ham were quoted an asking price of €15-20 million for a potential transfer. Van den Berg's current market value is €5.00m, according to Transfermarkt.