Rubuta ci gaba don wannan sakin layi - Pettersson ya yi gasa ga Sweden a gasar zakarun duniya na hockey na duniya na 2018
, lashe azurfa. Duk da cewa an iyakance shi zuwa wasanni 5 kawai, saboda yatsan yatsa da ya karye, Pettersson zai ci gaba da lashe lambar zinare tare da Team Sweden a Gasar Cin Kofin Duniya ta IIHF ta 2018.