 Aslan began his playing career at his local club Trabzonspor's youth team.Between 1990 and 1996, he played in the senior team, the first season in the |TFF First League, and then in the Süper Lig.During this time, he capped 156 times and scored 16 goals in the league matches, and enjoyed three Turkish Cup, two President's Cup and three Prime Minister's Cup titles with his club.