Hilary Knight scored two goals and Hannah Brandt had the game-winning goal for the United States in a 5-3 win against Finland in the last game of the preliminary round of the IIHF Women's World Championship at USA Hockey Arena 1 in Plymouth, Michigan on Monday.
The U.S. (3-0-0-0) finished first in Group A ahead of Canada (1-0-0-2).
The United States hadn't allowed a goal in the first two games of the preliminary round, but trailed early after Susanna Tapani gave Finland (1-0-0-2) a 1-0 lead at 15:14 of the first period.
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Knight tied the game 1-1 with 7:39 left.
Kendall Coyne and Knight scored in the second period to give the United States a 3-1 lead.
Finland's Jenni Hiirikoski scored late in the second period and Michelle Karvinen scored early in the third to tie the game 3-3 before Brandt broke the tie with 7:35 left.
Jocelyne Lamoureux-Davidson sealed the game with an empty-net goal.
Alex Rigsby made 21 saves for United States.