Nazem Kadri scored three goals, including two during a four-goal second period barrage.
Andrei Vasilevskiy had 49 saves and the Tampa Bay Lightning completed a four-game sweep of the Florida Panthers.
For the fourth time in as many games in the Eastern Conference finals, one team blitzed the other.
Paul Goldschmidt hit a walkoff grand slam in the 10th inning Monday night, lifting the St. Louis Cardinals to a 7-3 victory over the Toronto Blue Jays.