David Rittich makes 34 saves, Flames blank Maple Leafs 3-0 for much-needed win

TORONTO — David Rittich's celebration at the final buzzer could be heard throughout an empty Scotiabank Arena.

After a miserable stretch that culminated with an embarrassing loss to his team's biggest rival over the weekend, Calgary's surprise starter knew just how important Monday's result was for a group seemingly teetering on the brink.

Rittich made 34 saves for his first victory of the season, Matthew Tkachuk and Sean Monahan had a goal and an assist each, and the Flames shut out the NHL-leading Toronto Maple Leafs 3-0.

"I was just happy," Rittich said of his delight-filled howl. "Huge win. We needed something like that."

Sam Bennett also scored for Calgary (9-9-1), which came in desperate…