Canada vs U.S. in men's ice hockey semifinals

SOCHI, Russia - Canadian defender Alex Pietrangelo (front C) and goalie Carey Price (far L) defend their goal against U.S. forwards Zach Parise (front L) and Ryan Kesler (back C) during the first period in the men's ice hockey play-offs semifinals game against the United States at the Bolshoy Ice Dome during the Winter Olympics in Sochi, Russia, on Feb. 21, 2014.