They were the only team in the NHL this season ( 46 - 0 - 0 ) to not lose a game they led after two periods .
Two nights ago , the Penguins carried a two - goal lead into the final 10 minutes of Game 5 .
Penguins were the only Penguins in the NHL this season ( 46 - 0 - 0 ) to not lose a game Penguins led after two periods .
Two nights ago , the Penguins carried a two - goal lead into the final 10 minutes of Game 5 .