Helenius waxaa lagu soo xulay Calgary Flames wareega shanaad, oo ahaa kii 102-aad ee guud ahaan,
Sanadkii 1992 ee loo doortay NHL. Wuxuu xirfaddiisa xirfadeed ka bilaabay Jokerit ee horyaalka SM-liiga ee Finland sanadkii 1992, wuxuuna u safray Waqooyiga Ameerika xilli ciyaareedkii 1994-95, ka dib shan sano oo uu ku qaatay horyaalada hoose, Helenius wuxuu booskiisa u qabtay difaac NHL ah, isagoo u ciyaaray kooxo dhowr ah. Helenius waxaa loo yaqaanay "Fighting Finn", maadaama uu ka mid ahaa reer Yurubka yar ee ka ciyaara doorka fulinta ee horyaalada hockey-ga ee Waqooyiga Ameerika.