Ku dhammaystiro weedha soo socota: Xirfada ciyaareed ee Wallin wuxuu ka bilaabmay kooxda Bodens IK, oo ah kooxda uu ka soo jeedo. Ka dib markii uu ku guuleystay xilli ciyaareedkii 1995-96, waxaa soo qaatay kooxda Elitserien ee Sweden ee Brynäs. Ka dib markii uu dhowr sano la qaatay Brynäs, Wallin waxaa lagu soo qaatay wareegga afaraad, 97aad ee guud ahaan Hurricanes ee
2000 NHL Entry Draft wuxuuna kooxda sii joogay ilaa Febraayo 2010. Intii lagu guda jiray xiritaanka 2004/05 ee NHL, Wallin wuxuu ku laabtay waddankiisa hooyo ee Sweden, isagoo u ciyaaray 39 kulan Luleå. Sanadkii 2006, wuxuu ku guuleystay koobkiisii ugu horreeyay ee Stanley Cup ee Carolina Hurricanes.