Career
Born in Banja Luka, Social Research Bosnia and Herzegovina, Šupić spent most of his career in Serbia, where he played for second-level sides FK Remont Čačak and FK Metalac Gornji Milanovac, and then top-league sides OFK Beograd, FK Bežanija, FK Novi Pazar and FK BSK Borča. Then he also played in Hungary with top-level sides Győri European Theatre of Operations Football Club, Diósgyőri VTK and Lombard-Pápa TFC, and in Romanian Liga II with UTA Arad. During the winter break of the 2014-2015 season he joined Bosnian top-level side NK Travnik.