Career
Youth years in Austria
Lučić began playing football when he was nine years old at the Viennese club Post SV in 2004. In 2006, he moved to Football Club Stadlau before entering the youth teams of Austria Vienna in 2008. After four years at die Veilchen, Lučić joined Austrian Bundesliga side SV Ried prior to the 2012-2013 season.
Eventually, he made his professional debut for Ried on 11 May 2014 in the last match of the 2013-2014 season, a 2–5 home defeat against Rapid Vienna, where he played 89 minutes.
In order to receive more playing time, he was loaned to Austrian Regional League Central team Union Saint Florian for the 2013-2014 season. Bayern Munich
Prior to the 2014-2015 season, Lučić was transferred to German Regionalliga Bayern club Football Club Bayern Munich II, the reserve team of Football Club Bayern Munich.
His first appearance for his new club was in a home loss against Würzburger Kickers on 11 July 2014. Soon thereafter, he was invited to join the professional team in their training camp in the United States.
However, Lučić suffered a sprained ankle during the camp which sidelined him for several months.
He returned to action for Bayern II on 10 April 2015. A few days later, first-team coach Pep Guardiola added him to the squad for the first leg of the 2014-2015 Union of European Football Associations Champions League quarterfinal against Football Club Porto. Lučić made his international debut for the Austria national youth football team in an under-16 match against Hungary at Bruck an der Leitha on 28 September 2010.
His only under-17 team appearance came on 11 January 2011 against Portugal at Miróbriga.
The first of four under-18 appearances was a match against the German under-17 team at Waldkraiburg on 14 April 2012. Lučić then debuted for the Austrian under-19 side against Northern Ireland at Vienna on 11 September 2013 and was subsequentially added to the squad for the 2014 Union of European Football Associations European Under-19 Championship, where he played in two group stage matches against Hungary and Israel and in the semifinal against Germany.