Laola1.at reports on Stefan Hierländer's contract extension with SK Sturm Graz. Stefan Hierländer has extended his contract with SK Sturm Graz. According to Sporting Director Michael Parensen, they have had good discussions and have already extended the contract. The contract duration is not disclosed, but they plan to have him for the next season in the ADMIRAL Bundesliga. Transfermarkt currently estimates his market worth at 200k euros.