Answer
Vlahović joined Partizan's youth system in 2015. He began his football career with OFK Beograd, before moving to Partizan's academy at the age of 15. Vlahović quickly rose through the ranks at Partizan, making his first-team debut in 2016. He went on to become a key player for the club, scoring 40 goals in 108 appearances before joining Fiorentina in 2018.