Alen Mustafić

Early career

Mustafić started playing football at his hometown club Sloboda Tuzla, before joining Sarajevo's youth academy in 2015. He made his professional debut against Radnik Bijeljina on 25 February 2018 at the age of 18. On 15 September 2019, he scored his first professional goal in a triumph over Zvijezda 09. In January 2020, Mustafić was loaned to Slovak side Slovan Bratislava until the end of season, with an option to make the transfer permanent, which was activated in July. In August, he was sent on a season-long loan to Nitra. On 12 January 2024, after spending the previous year with Danish side OB, Mustafić joined Polish club Śląsk Wrocław on loan until the end of the season. After finishing his loan spell, Mustafić returned to OB. On 22 July 2024, Mustafić returned to Slovan Bratislava on a three-year contract.

Mustafić was a member of Bosnia and Herzegovina under-19 team under coach Toni Karačić.

Club

As of match played 19 September 2026

Sarajevo

Bosnian Premier League: 2018–19 Bosnian Cup: 2018–19 Slovan Bratislava

Slovak First League: 2019–20, 2021–22 Slovak Cup: 2019–20