Final score: Islanders 5, Bruins 4
Winning Goal: Brock Nelson’s slot shot at 1:59 of the third period.
Key statistic: The Islanders averaged 2.71 goals per game in the regular season — 21st in the NHL — but have scored at least four goals in seven of their 11 playoff games.
Turning point: Mathew Barzal’s goal at 18:49 of the first period tied it at 1 after the Bruins dominated the period.
Did you notice? Defenseman Scott Mayfield was furious there was no penalty on Nick Ritchie in the first period after the hulking forward hit Mayfield in the head with his elbow while Mayfield was on a knee on the ice.