A look at the opening day of the tournament in Montreal and Toronto
USA's goaltender Thatcher Demko makes a save against Finland's Artturi LehkonenGraham Hughes/The Canadian Press
Jack Eichel of Team United States and Julius Honka of Team Finland push one anotherMinas Panagiotakis/Getty Images
A linesman collides with Finland's Niko Ojamaki and USA's Tyler MotteGraham Hughes/The Canadian Press
Russia's Nikolai Goldobin scores the winning shootout goal on Denmark's Georg SorensenChris Young/The Canadian Press
Denmark's Oliver Bjorkstrand celebrates with Nikolaj Ehlers after scoring his team's opening goal against RussiaChris Young/The Canadian Press
Sweden's William Nylander battles for the puck with Czech Republic's Pavel ZachaChris Young/The Canadian Press
Sweden's William Nylander celebrates scoring his team's third goalChris Young/The Canadian Press
Sweden's William Nylander passes as he falls to the iceChris Young/The Canadian Press
Canada's Robby Fabbri celebrates with teammates Anthony Duclair and Sam Reinhart after scoring against SlovakiaGraham Hughes/The Canadian Press
Canada's Anthony Duclair scores against Slovakia goaltender Denis GodlaGraham Hughes/The Canadian Press
Canada's goaltender Zach Fucale makes a save against Slovakia's Robert LantosiGraham Hughes/The Canadian Press
Goaltender Denis Godla of Team Slovakia stops Madison Bowey of Team CanadaMinas Panagiotakis/Getty Images
Nic Petan of Team Canada wraps around the net of goaltender Denis GodlaMinas Panagiotakis/Getty Images
Canada's goaltender Zach Fucale pushes Slovakia's Dominik Rehak from his creaseGraham Hughes/The Canadian Press
Goaltender Zachary Fucale makes a glove saveMinas Panagiotakis/Getty Images
Robby Fabbri scores on Denis Godla of Team SlovakiaMinas Panagiotakis/Getty Images
Canada's Connor McDavid moves in on Slovakia's goaltender David Okolicany during third periodGraham Hughes/The Canadian Press
Max Domi is stopped by David Okolicany of SlovakiaMinas Panagiotakis/Getty Images
Goaltender David Okolicany looks back as the puck crosses the goal lineMinas Panagiotakis/Getty Images