​Anthony Mantha has an impressive debut with the Capitals, Artemi Panarin breaks a Rangers record, Milan Lucic reaches a career milestone and more in today’s NHL morning coffee headlines.

NHL.COM: The Washington Capitals thumped the Philadelphia Flyers 6-1 to open a two-point lead over the New York Islanders atop the MassMutual East Division with 60 points. Anthony Mantha tallied a goal and an assist in his first game with Washington since being acquired from the Detroit Red Wings on Monday. Capitals captain Alex Ovechkin tallied his 728th career goal to move within three of Marcel Dionne for fifth on the overall list.

Washington Capitals winger Anthony Mantha (NHL Images).

Artemi Panarin broke Mark Messier’s franchise record for the most points (138) in the first 100 games with the New York Rangers in a 3-0 win over the New Jersey Devils. Igor Shesterkin made 27 saves for his first career NHL shutout while Pavel Buchnevich had a goal and an assist. The Rangers sit in fifth place with 46 points in the East Division.

Shootout goals by Jake DeBrusk and Charlie Coyle lifted the Boston Bruins past the Buffalo Sabres 3-2. Taylor Hall was held scoreless in his Bruins debut after being acquired from Buffalo before Monday’s trade deadline. Sabres goaltender Linus Ullmark left the game in the first period with an undisclosed injury. The Bruins (50 points) hold a four-point lead over the Rangers.

The Calgary Flames edged the Toronto Maple Leafs 3-2 on an overtime goal by Johnny Gaudreau. Flames winger Milan Lucic collected an assist and a fighting major in his 1,000th career NHL game. John Tavares had two helpers for the Leafs, who sit in first place in the Scotia North Division with 60 points.

A two-goal performance by Viktor Arvidsson powered the Nashville Predators to a 7-2 drubbing of the Tampa Bay Lightning. Defenseman David Savard had a plus-minus of minus-4 in his first game with Tampa Bay since they acquired him on Saturday from the Columbus Blue Jackets. The Predators (49 points) opened a four-point lead over the Chicago Blackhawks in the Discover Central Division.

An overtime goal by Frank Vatrano gave the Florida Panthers a 3-2 victory over the Dallas Stars. The Panthers are tied with the Lightning and Carolina Hurricanes with 58 points, but the Hurricanes hold first place in the Central and the Lightning second place on the basis of games in hand. The Panthers played without winger Carter Verhaeghe, who’s listed as week-to-week with an upper-body injury.

ESPN.COM: The Canadian Hockey League yesterday announced the 2021 Memorial Cup tournament has been canceled. It’s the second straight year the prestigious trophy won’t be awarded to Canada’s top junior team because of COVID-19.