Five things to know about the NHL playoffs

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. Toronto coach Sheldon Keefe believes Brad Marchand of the Boston Bruins has reached "elite level" at drawing penalties, real or otherwise.