Career
Mladi Radnik
Luka had played with FK Mladi Radnik between 2004 and 2010, having played a total of 140 league matches and scored 29 goals for them. After one year, the club was relegated, and Luka found himself a place in another SuperLiga side, Rad Beograd. Rad
He spent three years at the club, where he played 65 matches and scored 12 goals.
In May 2011, during the game against Smederevo, his former teammate from Mladi Radnik, Miloš Radosavljević tackled Luka in a manner that broke his leg, which ended up being a season-ending injury.
Partizan
On February 2, 2013, he signed a 3.5-year contract with Partizan Belgrade upon being promoted with Nemanja Kojić to the club