FILE - In this April 20, 2017, file photo, Nashville Predators left wing Pontus Aberg, of Sweden, plays against the Chicago Blackhawks during the first period in Game 4 of a first-round NHL hockey playoff series, in Nashville, Tenn. When so much focus is put on shutting down stars, it’s often the depth forwards who make a difference. For the Penguins, that effort is led by ageless fourth-line center Matt Cullen and for the Predators, it’s 23-year-old Swede Pontus Aberg.(AP Photo/Mark Humphrey, File)