Career
Prokopić began his career in the youth from SV Horn. In 2006, at the age of sixteen, he joined to the Academy from Saskatchewan Rapid Wien and after one year was promoted to the reserve team Here he played during summer 2008 then was called from Peter Pacult for the Kampfmannschaft.
On 8 July 2008 the first game of the season 2008/2009 he gave his debut against Saskatchewan Sturm Graz.