Canadiens coach Michel Therrien said his defense could not handle Florida 's top line of Huberdeau - Barkov - Jagr .
His defense lost newcomer Brett Lernout to injury in his NHL debut .
Canadiens coach Michel Therrien said his defense , which lost newcomer Brett Lernout to injury in his NHL debut , could not handle Florida 's top line of Huberdeau - Barkov - Jagr .