The Flames, who had their best regular season (50-25-7) since 1988-89, when they won their only Stanley Cup, lost four in a row after winning Game 1 against the Avalanche.
"I think it's really easy at times like we're at today to throw rocks," Flames general manager Brad Treliving said as Calgary held its exit meetings at Scotiabank Saddledome. "Our team underachieved, I think from top to bottom, at the most critical time of the year. We've got to figure out why. I don't think lining the core group up on the plank and shooting them is the right answer.
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"I think we've got some really, really good players here."
Calgary's top line of Johnny Gaudreau (one assist), Sean Monahan (one goal, one assist) and Elias Lindholm (one goal, one assist) combined for five points against Colorado after getting 259 points (97 goals, 162 assists) during the regular season.
"That line went off earlier in the year and it was sort of like a video game at some point," Treliving said. "You knew that wasn't going to continue. You need your best players to be your best players. You need people to support them, too. So we can sit here and say our top guys didn't perform to the level that they and us had hoped, and they'd probably be the first ones to tell you that. We needed support for them, too.