Nikola Vasilj has a secret contract clause that could allow him to leave St. Pauli on a free transfer if the club is relegated. The 30-year-old Bosnian-Herzegovinian goalkeeper has made 23 appearances for his country and has played in 25 Bundesliga matches this season for the club he joined in July 2021. His current market value is estimated by Transfermarkt to be €4.50m. Brighton & Hove Albion and Brentford have previously been linked with the player.