Tulis hiji continuation for this paragraph - At the 2021 World Junior Ice Hockey Championships
, Niemelä mingpin sadaya bek dina poin, akumulasi dua gol sareng genep assists dina jalan pikeun meunangkeun Medali Perunggu sareng Tim Finlandia. Sanggeus ahir turnamén, anjeunna dingaranan Best Defenceman ku Diréktur IIHF.