 Nyora kuenderera kweiyi ndima - Munguva yake yemakore mana ekuyaruka basa, Gallagher akagamuchira Western Hockey League WHL West First All-Star Team kukudzwa 201011 uye akazova Vancouver Giants nguva dzose inotungamira chinangwa- uye poindi-scorer. Munyika yose, akahwina menduru yebronze neCanada pa2012 IIHF U20 Championships, pamwe chete nemenduru yegoridhe neCanada pa2016 IIHF World Championships. 