USA players sing the national anthem after scoring a 3-1 victory Saturday over Sweden at the World Junior Championship in Ufa, Russia.

Team USA's Rocco Grimaldi (top) celebrates his second goal of the game during the 3-1 win over Sweden in Saturday's championship game.

Team USA goaltender John Gibson makes a save off Elias Lindholm's shot during the first period of the gold-medal game vs. Sweden.

Cole Bardreau of the US crashes into a Swedish player in the gold-medal game at the World Junior Championship.

Sweden's Elias Lindholm is checked into US goaltender John Gibson by Seth Jones during second-period action in the championship game.

Team USA celebrates amidst a shower of balloons after defeating Sweden 3-1 in Ufa, Russia.

Team USA captain Jake McCabe holds up the championship trophy after the Americans topped the Swedes on Saturday.

US captain Jake McCabe reacts after a goal against Canada in the semifinals. The Americans stunned Canada in a 5-1 rout to reach the final of the World Junior Hockey Championship against Sweden in Ufa, Russia.

Canada's Jonathan Drouin (left) takes out Team USA's John Gaudreau during the first period of their semifinal game. Gaudreau got the best of Canada, scoring two goals in the 5-1 win.

Canada's Xavier Ouellet is sent to the ice by USA forward Alex Galchenyuk, a Montreal Canadiens prospect.

Team USA players congratulate goalie John Gibson after his 33-save performance in the semifinal win against Canada.

USA goalie John Gibson makes a save as the puck flies wide of the net during the third period against Canada in the semis.

Canada's Philip Danault (top) goes for a trip right next to an Air Canada sign after colliding with the USA's Ryan Hartman.

Canada's captain Ryan Nugent-Hopkins (right) and his teammates can't believe their run for gold is over.

Sweden forward Sebastian Collberg backhands the winning goal past Russia goalie Andrei Vasilevski in the shootout of the semifinal game.

Sweden's Tom Nilsson (left) Linus Arnesson (center) and goalie Niklas Lundstrom celebrate after defeating host Russia 3-2 in a shootout in the semifinals. Sweden, the defending champ, will face the US in the title game.

Elias Lindholm helped Sweden to an early lead against Russia. Here, he reacts to his first-period goal.

Sweden's Elias Lindholm (right) checks Russia's Kirill Kapustin along the boards.

Sweden's Tom Nilsson (left) stands strong after hitting Russia's Alexander Khokhlachev during overtime. Neither team could score in the extra period and the semifinal match was decided in a shootout.

Russian captain Nail Yakupov (left), the No. 1 pick by the Edmonton Oilers in the 2011 NHL Draft, ponders the tough loss against Sweden. The host Russians will have to settle for a shot at bronze against a tough Canadian team.

Czech Republic's goalie Matej Machovsky sprawls on the ice as Team USA's John Gaudreau (not seen) scores during the second period of a quarterfinal game on Jan. 2. The US won 7-0 to advance to the semifinals against Canada.

Team USA's John Gaudreau, left, Jacob Trouba, center, and Seth Jones celebrate a goal against the Czech Republic during third period.

Team USA forward Cole Bardreau plows into Czech Republic goalie Patrik Bartosak during the first period of their quarterfinal game. Whether it was US players or pucks, something was always headed toward Bartosak in this one.

Russia forward Nikita Kucherov scores the game-winning goal in the shootout against Switzerland goalie Melvin Nyffeler in the hosts' 4-3 quarterfinal victory. Kucherov was clutch, even scoring late for Russia to send the game into overtime.

Russia forward Nikita Kucherov, right, celebrates his game-tying goal with teammate Mikhail Grigorenko, left, in a 4-3 shootout win over Switzerland in a quarterfinal match at the world junior hockey championships in Ufa, Russia, Wednesday, Jan. 2, 2013.

Russia goalie Andrei Vasilevski makes the final shootout stop against Switzerland forward Alessio Bertaggia to end the game.

Canada's Nathan MacKinnon (No. 23) takes out Russia's Vladimir Tkachyov (14) during the first period of their IIHF World Junior Championships hockey game Monday in Russia. Canada won 4-1 to remain undefeated.

Canada goalie Malcolm Subban stops a penalty shot by Russia's Vladimir Tkachyov during the third period of their showdown on Monday. Canada won 4-1.

US forward Jimmy Vesey watches the puck over the top of Slovakia goalie Patrik Romancik (30) during the second period on Monday. The Americans won 9-3 to advance to the quarterfinals.

US forward John Gaudreau (13) scores a goal past Slovakia goalie Patrik Romancik (30) as Slovakia defenseman Karol Korim (28) looks on during the second period Monday. The US won 9-3.

Team Canada forward Ryan Strome reacts after scoring against Team USA goalie John Gibson during the first period on Dec. 30. It was Strome's tournament-leading fourth goal and it helped Canada to a 2-1 win.

Canada's Jonathan Drouin (29) sends USA forward Ryan Hartman flying through the door at Canada's bench.

Goalie Malcolm Subban and defenseman Scott Harrington are pumped after beating Team USA. Canada's defense was stellar in front of Subban, who made 36 saves.

Team Canada forward Ty Rattie (right) takes out Team USA forward JT Miller. It was a tough loss for the Americans.

Team USA's Rocco Grimaldi hits the ice after a hard hit by Russia's Anton Slepyshev during the first period of a Group B game on Dec. 28. The host Russians went on to win, 2-1.

Russia's Albert Yarullin (right) celebrates with teammate Nikita Nesterov after giving his team a 1-0 lead against the Americans.

Canada's Mark Scheifele (front) and Slovakia's Karol Korim battle for the puck as it goes flying during a Group B game on Dec. 28. The Canadians went on to win, 6-3.

Canada's Ty Rattie (back) chases the puck as Slovakia goalie Adam Nagy looks to cover it.

Slovakia's goalie Adam Nagy keeps a sharp eye on the puck as it flies over the net during a Dec. 28 game against Canada.

Canada's Ryan Strome celebrates a third-period goal against Slovakia as backup goalie Patrik Romancik looks on from the bench.

Team USA forward Sean Kuraly (left) celebrates his goal against Germany with teammates Mike Reilly and Seth Jones during the first period. The Americans won 8-0 in their first Group B game.

Team USA forward J.T. Miller makes a move around Germany goalie Marvin Cupper for a third-period tally.

Team USA goalie John Gibson goes into the splits to make this save against Germany. Gibson stopped 19 shots in two periods before being replced in the third period by Jon Gillies.

Team USA's Riley Barber watches the puck go under the crossbar and past Germany goalie Marvin Cupper as Huba Sekesi looks on.

Team USA forward Sean Kuraly scores just 19 seconds into the game past Germany goalie Marvin Cupper. The Americans never looked back in an 8-0 Group B win.

Team USA forward Riley Barber gets taken down by Germany defender Oliver Mebus.

Canada forward Ryan Strome (right) celebrates after scoring against Germany during Day 1 at the World Junior Championships in Ufa, Russia. The Canadians won, 9-3.

Canada forward Jonathan Drouin (right) sends Germany defender Florin Ketterer flying as teammate Ryan Strome follows the play.

Canada forward Phillip Danault crashes into Germany goalie Elmar Trautmann and Leonhard Pfoderl during the first period.