Pari gbolohun ti o tẹle: Liffiton bẹrẹ iṣẹ rẹ pẹlu Aylmer Blues ni OHA-B ṣaaju ki o to yan ni iyipo 16, 326th lapapọ, ni 2000 Ontario Hockey League yiyan pataki nipasẹ awọn Plymouth Whalers. O darapọ mọ awọn Whalers ni akoko 2001-02, ati idagbasoke bi olugbeja ti o wa ni ile, Liffiton ṣe igbasilẹ akoko ti o dara julọ ni iṣiro ni 2002-03 pẹlu awọn ibi-afẹde 5 fun awọn aaye 16 ni awọn ere 64 lati ṣe iranlọwọ fun awọn Whalers lati de awọn ipari Igbimọ Iwọ-oorun lodi si awọn Kitchener Rangers. Lẹ́yìn náà ni wọ́n mú un ní ipò 63rd ní ọdún 2003 NHL Entry Draft tí Colorado Avalanche ṣe. Ni ọdun ikẹhin rẹ pẹlu Plymouth ni ọdun 2003-2004, awọn ẹtọ Liffiton ni a ṣafikun ni iṣowo nipasẹ Avalanche, pẹlu Chris McAllister, si New York Rangers ni paṣipaarọ fun Matthew Barnaby ati yiyan iyipo kẹta ni ọdun 2003-2004.
2004 (Denis Parshin) ní March 8, 2004.