Tuhia he haere tonu mo tenei whitianga - I whakaingoatia a Butler hei kaiawhina kaiako ki a Tom Renney mo te kapa hockey hukapapa a nga taane o Canada i te 1999 World Junior Ice Hockey Championships i Winnipeg. I riro i a Kanata he mētara hiriwa, i te tukinga ki te kapa Russia i te whiringa toa. I hoki mai a Butler ki te atamira a motu i muri i te tau, hei kaiako matua mo nga taiohi o Canada 2001 World Junior Ice Hockey Championships i Russia. I hinga a Canada i te kapa Sweden i te kemu mētara parahi, me te mema o te Battalion a Raffi Torres i eke ki te waa roa. I hoki mai a Butler mo te tuarua o nga wa i muri mai hei kaiako matua mo nga taiohi mo te 2002 World Junior Ice Hockey Championships
kei te Czech Republic. Ko Butler anake te tuatoru o nga tangata i roto i te hitori o te Canadian Hockey Association ki te whakangungu i te roopu rangatahi a motu i nga tau e whai ake nei mai i te timatanga o te CHA's Program of Excellence i te 1982. I whiwhi a Canada i te mētara hiriwa i muri i te hinganga 5-4 ki a Russia i te whakataetae toa.