Cika wannan magana: Helenius an rubuta shi ne ta Calgary Flames a matsayin zagaye na biyar, 102nd gaba ɗaya, a cikin
Zaɓin shiga NHL na 1992. Ya fara aikinsa na sana'a a Jokerit a cikin Finnish SM-liiga a 1992, kuma ya yi hanyar zuwa Arewacin Amurka don kakar 1994-95, kuma bayan ya shafe shekaru biyar galibi a cikin ƙananan wasannin, Helenius ya ɗauki matsayinsa a matsayin mai tsaron baya na NHL, yana wasa da ƙungiyoyi da yawa. Helenius ya zama sananne a matsayin "Fighting Finn", kamar yadda ya kasance daya daga cikin 'yan kasashen Turai da suka taka rawar gani a cikin wasannin hockey na Arewacin Amirka.