Dee ihe na-aga n'ihu maka paragraf a - Mgbe ọ na-egwuri egwu na Airdrie Extreme na 1997<unk>98, Aulin sonyeere Kamloops Blazers nke Western Hockey League dị ka onye dị afọ 16 na 1998<unk>99, na-etinye ihe 26 na egwuregwu 55 na njem na njedebe nke egwuregwu. Mgbe ọ na-eduga n'asọmpi ahụ na isi ihe site na egwuregwu itoolu, ọ na-egwuri egwu site na mmerụ ụkwụ nke mere ka mmepụta ya daa, na-agwụcha na isi 55 n'oge 1999<unk>2000 oge (57 egwuregwu), na-adọta uche nke Colorado Avalanche, bụ onye depụtara Aulin na agba nke abụọ (47th n'ozuzu) nke 2000 NHL Entry Draft.
Ọ dị mma. N'oge 2000-01 na Blazers, Aulin gbara otu egwuregwu na-eduga 108 isi na egwuregwu 70. N'oge a, ikike Aulin gbanwere site na Avalanche na Los Angeles Kings na mgbanwe nke hụrụ Rob Blake isi na Colorado na Machị 22, 2001.