Heidenheim has recently promoted two promising young players to the professional squad. The 1. FC Heidenheim announced that both goalkeeper Felix Mark and midfielder Marko Zrilic are now part of the professional team. Both players have signed contracts until 2029, highlighting their long-term commitment to the club. Felix Mark, an 18-year-old talented goalkeeper, is already a German U18 national player and has been with Heidenheim's youth team since 2023. Marko Zrilic, also 18 years old, is a Croatian U19 national player who joined FCH last summer. He quickly established himself as the co-captain of the U19 team and has impressed with his performances. These promotions are an important step for Heidenheim to strengthen youth development and cultivate talents for the Bundesliga.