Niklas Hjalmarsson ( born June 6 , 1987 ) is a Swedish professional ice hockey defenceman currently playing for the Chicago Blackhawks of the National Hockey League ( NHL ) .
Niklas Hjalmarsson ( born June 6 , 1987 in Eksjö , Sweden ) is a Swedish professional ice hockey player that currently plays for the Chicago Blackhawks of the National Hockey League ( NHL ) .