Hasagić's football career began in his hometown with Rudar Kakanj. At the age of 16, he made his debut in a first division match. He was the most promising goalkeeper in Bosnia and Herzegovina, he played for youth selections and was later transferred to Austrian side Vorwärts Steyr. After that, Hasagić was a member of Altay in Turkey but didn't see much first team football. He went back to Bosnia and played for Rudar Kakanj and Bosna Visoko. In 2003, he signed a contract with Željezničar. Here he found good form and even became first choice goalkeeper for the Bosnia and Herzegovina national team. During the 2004–05 season, he moved to Turkey once again where he signed for Turkish Süper Lig side Gaziantepspor. In 2007, he moved over to another Turkish Süper Lig side in İstanbul Başakşehir. In 2012, Hasagić retired from football early after injuries shattered his career.
International Career
Hasagić made his debut for the Bosnia and Herzegovina national team on 12 February 2003 in a game between Wales which ended in a 2–2 draw. . After the Wales game, he went on to make 43 more appearances for Bosnia and Herzegovina, making it 44 games played for the country before leaving the national team in 2011.
Coaching career
In August 2017, Hasagić became the new goalkeeper coach of Bosnian Premier League club Mladost Doboj Kakanj. Two years later, on 2 November 2019, he announced that he left Mladost and that he will only be focusing on the Bosnia and Herzegovina national team. On 4 January 2018, after Robert Prosinečki was named the new head coach of the Bosnia and Herzegovina national team, it was announced that Hasagić became the new goalkeeper coach of the national team. Hasagić left the national team in November 2019 with the sacking of Prosinečki. It was announced on 7 January 2020 that Hasagić took over the position of goalkeeper coach of another Bosnian Premier League club, Tuzla City, working alongside former national team teammate, good friend and godfather Elvir Baljić, the club manager at the time.
Personal life
In 1998, Hasagić met his future wife, Dijana, in Jablanica. They were married in 2000. They have three daughters together: Ilda, Iman and Inam. On 27 December 2009, Hasagić confirmed he divorced his wife Dijana after 9 years of marriage. After his divorce, he has been in a long term relationship with a model, Aminka Sivac. He is 15 years older then her. On 8 July 2019, Hasagić married Sivac. Former national team teammate Elvir Baljić was the best man at his wedding.
