Canadian Olympic coach Jon Cooper: "Just imagine the effect it's going to have on a 19- and 20-year-old; it's unparalleled."

Sidney Crosby and Nathan MacKinnon join forces to play for Canada at the ice hockey world championship after 10 years. As all eyes are on the NHL playoffs, the two major stars are in Europe for the worlds opening on Friday across the Swedish capital of Stockholm and Denmark’s city of Herning.

Pittsburgh Penguins captain Sidney Crosby isn’t exactly known as the most physically imposing player in the National Hockey League, but that doesn’t mean that he’s willing to let himself be pushed around.