He played from the start in Elfsborg's first ever Royal League match, and scored two goals in the 4–0 win over AIK.

[5] On 3 January 2011, Avdić became Werder Bremen's first new signing of that winter, as confirmed by the website of the German Bundesliga club.

[6] On 29 August 2012, Avdić agreed to a loan until the end of season 2013 to the Dutch football team PEC Zwolle in Eredivisie.

This was at the time his seventh cumulative goal count, the second best Swedish goalscorer in the 2012–13 season, exceeded by Zlatan Ibrahimović.

[10] He made his debut on 30 October in a KNVB Cup match against Achilles '29, scoring two goals.

On 15 August 2014, as a result of having no prospect with AZ, he was sent on loan to Heracles Almelo until the end of the season.

[17] He made his full international debut for Sweden on 28 January 2009 in a friendly game against Mexico, coming on as a substitute for Daniel Nannskog in the 66th minute.