Top clubs like Trabzonspor took notice of 17-year-old Turkish goalkeeper Deniz Dönmezer. He has made 4 appearances in the 1.Lig for Kayserispor during the 2025/2026 season, having joined the club on 12/09/2025. Dönmezer, who has 2 caps for the Türkiye U19 team, has a contract that runs until 30/06/2028. According to Transfermarkt, his current market value is €1.00m. Beşiktaş and Fenerbahçe have also been recently linked with the player.