Mezue ahịrịokwu na-esonụ: Na June 28, 2013, a kpọrọ Gauthier oku ka ọ bịa n'ogige ntụrụndụ oge okpomọkụ nke ndị otu egwuregwu mba Canada. Mgbe ọ banyechara n'egwuregwu ahụ, ọ so n'otu ndị otu meriri ọlaedo na asọmpi mbaụwa nke Canada.
2013 IIHF World U18 Championship. N'afọ na-eso ya, a kpọrọ ya ọzọ ka ọ bịa n'ogige mmepe oge ọkọchị nke Canada National Junior Team tupu 2014 World Junior Ice Hockey Championship. Mgbe emechara ndepụta ikpeazụ, Team Canada meriri na ọkara ikpeazu na Finland ma ghara inweta ihe nrite megide Russia. Mgbe ọ na-egwu egwuregwu isii, Gauthier dekọtara otu enyemaka ma mechie ya na -2 Plus<unk>minus.