Career
Born in Pakrac (Social Research Croatia, SFR Yugoslavia) still young he moved to Belgrade where he begin his football career by playing with lower league sides such as FK Lokomotiva Beograd, FK Lisović and FK BASK all playing in the Serbian League Belgrade, national third tier. He gathered 6 league appearances during the 2010-2011 season, however as the club finished bottom of the table it meant it would be relegated, thus Krajnović opted to accept the offer from Iranian side Shahrdari Tabriz F.C. in summer 2011. However during the following winter, he would return to Europe and join FK Borac Banja Luka playing in the Bosnian Premier League.
