Lightning keep playoff hopes alive with win
Alex Killorn also scored for the Lightning, who need to win their final regular-season game Sunday against Buffalo and have Toronto and the New York Islanders lose to take the final spot in the Eastern Conference.
Kucherov then froze the Montreal defense on a rush and hit the post with his shot from the slot at 11:42; Gourde fired in the rebound to open the scoring.
Anaheim forward Nick Ritchie was suspended for two games after receiving a match penalty Thursday for punching Chicago defenseman Michal Rozsival.