Overview

• Union announced the defensive addition ahead of the new Bundesliga season, confirming Köhn’s arrival at the Alte Försterei.
• The club did not disclose contract length or financial terms, while media reports say the 26-year-old agreed a four-year deal.
• Galatasaray detailed the transfer structure that includes fixed and contingent payments as well as participation in any future resale.
• Managing director Horst Heldt said Köhn’s flexibility and attacking drive expand Union’s options on the left side.
• Köhn trained at HSV and Bayern at youth level, played for Willem II and Hannover 96, moved to Galatasaray in 2024, and spent last season on loan at Werder Bremen, where he scored twice.