Kelli Stack #16 of the United States and Hayley Wickenheiser #22 of Canada face off during the Ice Hockey Women's Gold Medal Game

Alex Carpenter #25, Hilary Knight #21 and Kelli Stack #16 of the United States celebrate after Carpenter scored a third-period goal against Shannon Szabados #1 of Canada during the Ice Hockey Women's Gold Medal Game

Kelli Stack #16 of United States faces off against Susanna Tapani #77 of Finland during the Women's Ice Hockey Preliminary Round Group A Game.

Kelli Stack #16 of United States celebrates with her teammate Hilary Knight #21 after scoring a goal in the second period against Noora Raty #41 of Finland during the Women's Ice Hockey Preliminary Round Group A Game.

#22, Amanda Kessel #28, Kelli Stack #16, Megan Bozek #9, Hilary Knight #21, Michelle Picard #23 and Kendall Coyne #26 of the United States huddle around the net before the Women's Ice Hockey Playoffs Semifinal game against Sweden

Kelli Stack of United States (C) takes a shot past team-mate goaltender Brianne McLaughlin during a training session at Shayba Arena.