CALGARY — Dylan Cozens’ power-play goal 6:33 into the third period was the game-winner as the Ottawa Senators defeated the Calgary Flames 4-1 on Thursday night.

Lars Eller, Tim Stutzle and Shane Pinto also scored for Ottawa (30-22-9). The last two goals were scored into an empty net.

The Senators, who are 7-1-2 in their last 10 games, moved within four points of the Boston Bruins for the second wild-card spot in the Eastern Conference.

Martin Pospisil, with his first goal of the season, scored for Calgary (24-30-7).

Linus Ullmark made 19 stops to improve to 8-0-3 in his last 11 decisions. His last regulation loss was against the New Jersey Devils on Dec. 9.

Devin Cooley made 35 saves for the Flames.

Ottawa has been strong of late with the man advantage, entering the game 5-for-12 over its previous five games. The Senators finished 1-for-4 against Calgary.

Down 2-1, the Flames got a power play of their own with just over three minutes to go in the third period. But Stutzle intercepted a Yegor Sharangovich pass and scored into the empty net to put the game on ice.

Takeaways

Senators: Stutzle extended his point streak to 11 games (seven goals, eight assists).

Flames: The regulation loss dropped the Flames to 31st overall in the league standings, ahead of only the Vancouver Canucks. Calgary is 0-3-1 in its last four games.

Key Moment

Brady Tkachuk found Cozens alone in front and he beat Cooley on the blocker side to give the Flames a lead they wouldn’t relinquish.

Key Stat

Eller’s goal ended a 34-game goalless drought. His last goal came on Oct. 30 against Calgary.

Up Next

Senators: Visit the Seattle Kraken on Saturday.

Flames: Host the Carolina Hurricanes on Saturday.

This report by The Canadian Press was first published March 5, 2026.