Born in Čapljina and a cousin of Jasmin Repeša, Dedić moved to Split at age 13 and played in the youth set-up of KK Split. With Split’s men’s team, he later played in the Croatian first division as well as in European club competition. A 196cm guard, Dedić also had stints at KK Slavonski Brod, KK Jolly Šibenik, KK Bosna Sarajevo and HKK Zrinjski Mostar in his playing career. In 2006, he signed with Horsens IC of Denmark’s top-flight Basketligaen. His parents and younger brother had fled from the war in Bosnia to Denmark in 1993. Dedić spent three years playing for the Horsens club before calling it a career.