Joel van den Berg, a 19-year-old from PSV, is joining Celtic for a €4m fee. The Dutch midfielder has a positive reputation and is one of several midfield reinforcements being brought in by the club near the transfer deadline. He has been capped 11 times for the Netherlands U19 team, scoring one goal, and his contract with PSV was due to expire in June 2028. His Transfermarkt market value is €1.50m. Reports in August 2026 stated that Celtic were meeting PSV's asking price. One report detailed the agreed fee as a €3.5 million base plus €1 million in achievable bonuses.