A ranar 28 ga Janairu, 2019, tare da Sarakuna maki daya daga matsayi na karshe a gasar zakarun, an yi musayar Muzzin zuwa Toronto Maple Leafs a musayar Carl Grundström, da 'yancin yin wasa ga Sean Durzi, da kuma zagaye na farko na Toronto a cikin
Zaben shiga NHL na 2019. Ya gama kakar wasa da maki 37, ya raba tsakanin Sarakuna da Leafs.