Career
He previously played in the ECHL for the Idaho Steelheads, in the American Hockey League for the Iowa Stars, and in the Finnish Master of Science-liiga for SaiPa, Ilves and HIFK. He initially joined the Schwenninger Wild Wings when they were competing in the German 2nd Bundesliga. On May 20, 2015, Hacker announced his retirement from professional hockey after 10 seasons.