Martin Hinteregger ( born September 7 th , 1992 in Feldkirchen , Carinthia ) is an Austrian footballplayer and plays for FC Red Bull Salzburg in the Austrian Football Bundesliga as defender . Martin Hinteregger ( born September 7 th , 1992 in Feldkirchen , Carinthia ) is an Austrian footballplayer currently playing for FC Red Bull Salzburg as defender .