U17 national team striker Jannes von Diczelski, regarded as Holstein Kiel's biggest talent, is transferring to HSV immediately. To secure the young forward immediately, HSV increased their payment for the player, who had been with Kiel since 2022. The 17-year-old German and Danish forward has signed a contract until June 30, 2026. He has 2 caps for the Germany U17 national team. In the 2025/2026 U17 Nachwuchsliga season, von Diczelski has scored 9 goals and provided 2 assists in 14 appearances.