Karlsson exits Game 5 after Walker hit, leaving Vegas without its key two-way center in a 3-2 series hole.
Marner’s record hat trick gave Vegas a 2-1 series lead after a wild 5-4 double-OT victory.
NHL Department of Player Safety suspends Ottawa Senators' Ridly Greig for two games after a sucker punch on Carolina Hurricanes' Sean Walker in playoffs.
Hurricanes coach Rod Brind’Amour reignites debate on NHL video review for penalties following a controversial sucker punch in Game 4 against Ottawa Senators.
Habs enforcer Arber Xhekaj criticizes Ridly Greig's sucker punch on Sean Walker, drawing a line despite his own tough reputation in escalating NHL playoffs.
Sidney Crosby scores in return but Penguins drop thrilling 6-5 OT decision to Hurricanes.