Islanders' power-play turnaround could be difference-maker against PenguinsBrock Nelson scored on Isles' first PP of game after finishing season 3-for-504/12/2019, 12:57 AMApr 10, 2019; Brooklyn, NY, USA; New York Islanders center Brock Nelson (29) controls the puck in front of Pittsburgh Penguins defenseman Erik Gudbranson (44) during the second period in game one of the first round of the 2019 Stanley Cup Playoffs at Barclays Center. Mandatory Credit: Dennis Schneidler-USA TODAY Sports / Dennis Schneidler