A. Kostić is an emerging football talent currently playing as an attacker for the Montenegro U21 national team. At just 18 years old, he is competing in the UEFA U21 Championship - Qualification, showcasing his skills and potential on an international level.

As an attacker, Kostić is expected to play a crucial role in creating goal-scoring opportunities and converting them into goals. His profile page offers insights into his performance statistics, career development, and any transfers or accolades he may achieve as he progresses in his football journey.