The NHL rulebook provides a lot of discretion for officials in calling or not calling too many men penalties. The question's if this situation escalated to the must-call point. (And no, the game sheet doesn't prove that.)
Calgary looked to be taking over up 16-15 inside the final minute after a missed field goal. But a pre-snap time count violation let Winnipeg kicker Marc Liegghio try again, and he made no mistake that time.