Russia, Sweden, the U.S. and Canada all in action
Sweden’s Jhonas Enroth deflects a puck during the Hockey World Championships Group A match against Sweden in Prague, Czech Republic, Monday, May 4, 2015.Petr David Josek/The Associated Press
Mike Reilly of USA , right, challenges Russia’s Artyom Anisimov, left, during the Hockey World Championships Group B match in Ostrava, Czech Republic, Monday, May 4, 2015.Sergei Grits/The Associated Press
Sweden’s Anton Lander, top, collides with Latvia’s Kaspars Saulietis.Petr David Josek/The Associated Press
Latvia's goaltender Edgars Masalskis makes a save in front of Sweden's Filip Forsberg.DAVID W CERNY/Reuters
Russia's Anton Belov, centre, celebrates with teammates after scoring a goal during their game against the U.S.LASZLO BALOGH/Reuters
Russia's Yegor Yakovlev and Ben Smith of U.S. fight for a puck.JOE KLAMAR/AFP / Getty Images
Lauris Darzins of Latvia and Jimmie Eriksson of Sweden battle for the puck.Martin Rose/Getty Images
Justin Faulk of USA, right, challenges Russia’s Artemi Panarin, left, during the Hockey World Championships Group B match in Ostrava, Czech Republic.Sergei Grits/The Associated Press
Kaspars Saulietis, centre, of Latvia is blocked by Jhonas Enroth, goaltender of Sweden.Martin Rose/Getty Images
Goaltender Jack Campbell of the U.S. makes a save against Russia's Sergei Plotnikov.LASZLO BALOGH/Reuters
Russia’s goalkeeper Sergei Bobrovski focuses on the action seconds before a goal by Torey Krug of the U.S.Sergei Grits/The Associated Press
Russia's Yegor Yakovlev goes out with a bleeding nose during a hockey World Championship game against the U.S. at the CEZ Arena in Ostrava, Czech Republic, May 4, 2015.LASZLO BALOGH/Reuters
Latvia's goaltender Edgars Masalskis falls over Sweden's Elias Lindholm.DAVID W CERNY/Reuters
Canada’s Matt Duchene shouts as he celebrates a goal by teammate Jordan Eberle, left, during a Hockey World Championships Group A game in Prague, Czech Republic, Monday, May 4, 2015.Petr David Josek/The Associated Press
Canada’s Sidney Crosby, right, is hit in the face by Czech Republic’s Jan Hejda.Petr David Josek/The Associated Press
Forward Nathan Mackinnon of Canada gets hit by forward Petr Koukal of Czech Republic.JONATHAN NACKSTRAND/AFP / Getty Images
Dan Hamhuis of Canada and Tomas Hertl of Czech Republic battle for the puck.Martin Rose/Getty Images
Team members of the Czech Republic celebrate their equalizing goal against Canada.Martin Rose/Getty Images
Norway's Aleksander Bonsaksen holds down Finland's Aleksander Barkov.JOE KLAMAR/AFP / Getty Images
Goalkeeper Mike Smith of Canada blocks a shot of forward Roman Cervenka of the Czech Republic.JONATHAN NACKSTRAND/AFP / Getty Images