Anderlecht at the age of 16, playing for their youth and reserve teams[3] before going on loan to fellow Belgian Pro League side S.C. Eendracht Aalst in early 2002.
He was his team's top scorer in the 2002–03 season and third overall with 20 league goals, and in August 2003 transferred back to Belgium by joining K.A.A.
[7] After spending the 2007–08 campaign in the Portuguese Primeira Liga with Vitória de Guimarães,[8] Mrdaković plied his trade in the Chinese Super League with Shandong Luneng Taishan FC.
[9] He failed to make an immediate impact, being loaned to fellow Cypriot First Division club Ethnikos Achna FC the following transfer window.
[23][24] In July 2008, Mrdaković was called up by Miroslav Đukić to the Serbia squad for the 2008 Summer Olympics; he was one of the three overage players alongside Aleksandar Živković and Vladimir Stojković.
[26] Mrdaković received his first call-up to a full Serbia squad in May 2011, when Petrović selected him for two friendlies in Asia and Oceania.