It's National Superhero and Bravehearts Day, which seems fitting for the NHL teams looking for extra efforts and playoff victories today. The Vancouver Canucks and Edmonton Oilers are looking to take 3-1 series leads in Nashville and Los Angeles, respectively, while the Winnipeg Jets will be aiming to level their first-round series against the Avalanche at 2-2 in Mile High City. The host Washington Capitals need a win to avoid a sweep against the Presidents' Trophy-winning New York Rangers. Here