Ku sii qor faqradan - Morrissey wuxuu Canada u matalay dhowr tartan oo caalami ah, oo ay ku jiraan IIHF World U18 Championships, Ivan Hlinka Memorial Tournament iyo IIHF World U20 Championships. Morrissey wuxuu gacan ka geystay caawinta kooxda ka yar 18 sano inay ku guuleystaan dahabka 2013 IIHF World U18 Championships
, iyo sidoo kale kooxda ka hooseysa 20 ee Koobka Hockey-ga Dhalinyarada Adduunka ee 2015. Waxaa loogu magac daray kooxda koowaad ee xiddigaha adduunka ee 2015 World Junior All-Star, isagoo ku dhameeyay afar dhibcood iyo qiimeyn +9 oo lagu daray.