Kammala jumla mai zuwa: Ya fara buga wasan Elitserien tare da Linköpings HC a lokacin Elitserien na 2012<unk>13. Pettersson ya zaba ta Philadelphia Flyers a zagaye na 7, 198th gaba ɗaya, a gasar
2014 National Hockey League (NHL) Tsarin shigarwa.