Mezue ahịrịokwu na-esonụ: Liffiton bidoro ọrụ ya na Aylmer Blues na OHA-B tupu a họpụta ya na agba nke iri na isii, 326th n'ozuzu, na 2000 Ontario Hockey League nhọrọ nhọrọ nke Plymouth Whalers. Mgbe ọ sonyeere ndị Whalers n'oge 2001-02, wee zụlite dịka onye na-agbachitere ụlọ, Liffiton dekọtara oge kachasị mma ya na 2002-03 na ihe mgbaru ọsọ 5 maka ihe 16 na egwuregwu 64 iji nyere ndị Whalers aka iru na Western Conference finals megide Kitchener Rangers. Mgbe nke ahụ gasịrị, Colorado Avalanche họpụtara ya na 63rd n'ozuzu na 2003 NHL Entry Draft. N'afọ ikpeazụ ya na Plymouth na 2003-04, ikike Liffiton gụnyere na ahia site na Avalanche, yana Chris McAllister, na New York Rangers na mgbanwe maka Matthew Barnaby na nhọrọ nke atọ na
2004 (Denis Parshin) na Machị 8, 2004.