Kammala jumla mai zuwa: Addison ya buga wasan hockey na manyan matasa don Lethbridge Hurricanes a gasar Hockey ta Yamma (WHL) kuma Pittsburgh Penguins ne suka zaɓe shi a zagaye na biyu, na 53 a gaba ɗaya, a cikin
Zaɓin shiga NHL na 2018. Penguins sun sanya hannu a kwangilar shekaru uku, matakin shiga a ranar 7 ga Afrilu, 2019.