Semyon Varlamov stopped 31 shots, Brock Nelson scored twice in the third period, and the New York Islanders beat the Tampa Bay Lightning 5-1 on Monday night.

Ross Johnston, Josh Bailey and Anders Lee also scored for the Islanders, who are 18-0-1 when scoring three or more goals.

Tampa Bay got a goal from Steven Stamkos. Curtis McElhinney stopped 19 shots.

Varlamlov made an in-close rebound save on Stamkos and a diving glove grab on Pat Maroon early in the third.

In addition to Nelson's goals at 7:31 and 14:41, Lee added a power-play goal with 3:55 remaining.

BLUE JACKETS 5, CAPITALS 2

Cam Atkinson scored twice, including a late empty-netter, and Joonas Korpisalo stopped 37 shots to help Columbus beat Washington.

Ryan Murray, Riley Nash and Oliver Bjorkstrand also scored for the Blue Jackets, who snapped their four-game skid. Columbus won for just the third time in nine games.

Goaltender Braden Holtby made 19 first-period saves but allowed four goals on 37 shots. Alex Ovechkin scored his 21st of the season early in the third period, and Nicklas Backstrom added a 6-on-5 goal in the waning minutes.

Washington snapped a six-game winning streak with their first regulation loss since Nov. 20. The Capitals had their seven-game point streak end two days before facing the Boston Bruins in a showdown of the league's top two teams.

SENATORS 5, BRUINS 2

Anthony Duclair had two goals and an assist and Ottawa beat Boston.

Chris Tierney, Artem Anisimov and Jean-Gabriel Pageau also scored for the Senators, who were playing their first home game following a five-game trip (1-4-0). Anders Nilsson made 38 saves in Ottawa’s first win over the Bruins (20-5-6) since April 6, 2017.

Patrice Bergeron and Jake DeBrusk scored for the Bruins, who were playing the first of four road games. Tuukka Rask made 23 saves in his first loss in regulation since Nov. 8.

FLAMES 5, AVALANCHE 4, OT

Sean Monahan scored 2:09 into overtime to lift Calgary past Colorado.

Matthew Tkachuk had a goal and an assist, Derek Ryan also scored and David Rittich made 28 saves for the Flames, who have won five in a row under interim coach Geoff Ward and finally broke through against Colorado this season.

Andrew Mangiapane and Michael Frolik scored 1:27 apart to start the third period for Calgary.

The Flames have struggled against the Avalanche of late, starting with the first round of the 2019 playoffs when eighth-seeded Colorado won in five games. The Avs won the first two meetings this season as well.

Nathan MacKinnon, Valeri Nichushkin, Ryan Graves and Joonas Donskoi scored for the Avalanche. Pavel Francouz finished with 28 saves.

More AP NHL: www.apnews.com/NHL and www.twitter.com/AP_Sports