Arttu Valola scored at 2:11 of overtime and Finland stunned the two-time defending champion United States 4-3 on Friday night in the world junior hockey quarterfinals.

Boston College forward James Hagens scored in a 1:03 span late in the second period and early in the third and the United States overcame a two-goal deficit to beat Slovakia 6-5 on Monday night in the world junior hockey championship.