Nyora kupfuurira kweiyi ndima - Grundström akadzokera kuMarlies kwemwaka wa 2018/19. Akanyora 29 mapoinzi mumitambo 42 yekirabhu. Musi wa 28 Ndira 2019, Grundström (pamwe naSean Durzi uye 2019
wokutanga-round pick) akachinjirwa kuLos Angeles Kings mukutsinhana naJake Muzzin. Pakutanga akapiwa yavo American League affiliate, Ontario Kutonga, asi akanga akayeuka naMadzimambo musi 9 March. Akaita kutanga kwake usiku ihwohwo, uye akarova chinangwa chake chekutanga cheNHL mukurasikirwa ne4 ku2 kuArizona Coyotes.