Stefan Matteau and the United States open Group B preliminary-round play against Tuomo Ruutu and Finland at CEZ Arena in Ostrava at 10:15 a.m. ET. Coverage on NBCSN begins at 10 a.m.
Jacob Josefson and Sweden take on the host Czechs in Group A action at Prague’s O2 Arena at 2:15 p.m. ET.
Ruutu is making his fifth worlds appearance for the Finns, and first since 2011 when he scored six goals in nine games en route to a gold medal. Finland took silver at last year’s tournament, falling to Russia in the title game.