Ottawa's 4-1 victory masks one underlying reality: they generated nine high-danger chances to Calgary's one, a ratio the final score barely captures.

That disparity flowed from territorial dominance. The Senators controlled 75% of 5v5 expected goals (5.21 to 1.76) and out-shot Calgary 37 to 20. Quality separated them further: Ottawa's chances carried 0.070 xG per shot, nearly double Calgary's 0.039.

Cooley, Calgary's goalie, kept the game from becoming a rout. He stopped 3.21 goals above expected—a performance that compressed what the underlying numbers suggested into a 4-1 final. Ullmark, Ottawa's counterpart, had less work but delivered: he overperformed his expected save percentage by 0.76 against relentless high-danger chances.

Off the rush, the Senators were lethal: two goals on 33 chances. In the offensive zone, they also created six rebounds without converting, a sign of their complete control.

Calgary generated 20 shots but none carried consequence. Against a team dominating quality and territory to this degree, volume becomes irrelevant.

The model backs Ottawa at 55% win probability, projecting a 2.7–2.4 Senators victory. That edge sits on something durable: puck management. Ottawa's 56.0% expected-goals share and 53.0% Corsi both exceed Calgary's 47.0% and 49.0%, a split that suggests territorial control beyond what the scoresheet has captured. In form, the Senators are sharper too—6-2-2 in their last 10 against Calgary's -11 goal differential over the same window.

One regression watch matters: the Flames' 0.985 PDO has run cold. Ottawa's 0.993 sits closer to neutral. When Calgary's results suddenly improve without the underlying play shifting, that's what you're watching.

Both starters face the back-to-back squeeze. D. Cooley and L. Ullmark are each playing their second game in two nights, which tilts toward backup minutes or visible fatigue.

The personnel battle favors Ottawa. Brady Tkachuk generates 1.19 expected goals per 60 minutes and has recorded 11 goals with 20 assists at a 7.5% shooting rate; Dylan Cozens posts 1.00 xG/60 with 13 goals and a 9.5% mark. Calgary's most dangerous forward is Blake Coleman, whose 0.89 xG/60 undersells the 16 goals and 12 assists he's produced at an 11.4% shooting rate—one that will regress. Matt Coronato sits at 0.80 xG/60 with 10 goals and a 6.6% shooting rate.

Structurally, Calgary's defensive weak link is Matt Coronato; Ottawa's is Nick Jensen. Neither team is capitalizing on high-danger or rebound chances at sustainable rates, which could insulate both from overexposure on below-average nights.

Ottawa's lean holds. Calgary's cold spell and underlying disadvantage have finally aligned.