Complex sentence: Between 2001 and 2003, Boban Dmitrović played 13 matches for the Serbia and Montenegro national football team debuted 29 years old, during the managerial reign of Dejan Savićević.
Split into simpler sentences: Between 2001 and 2003, Boban Dmitrović played 13 matches for the Serbia and Montenegro national football team. He debuted at 29 years old, during the managerial reign of Dejan Savićević.