Whakakiia te rerenga e whai ake nei: I whakataetae a Pettersson mō Sweden i te
2018 World Junior Ice Hockey Championships, i riro i a ia te hiriwa. Ahakoa te iti ki te 5 noa iho nga keemu, na te pakaru o te maihao, ka wikitoria a Pettersson i te mētara koura me Team Sweden i te 2018 IIHF World Championship.