It was cloudy with a 100% chance of glass at the Avalanche vs. Kings playoff game on Tuesday ... when some rowdy fans got so excited over a penalty shot save, they broke a glass panel behind the bench ...

The glass shattering at an NHL game isn't exactly a new phenomenon. When frozen pucks are flying at 100 mph, and 200-pound bodies are crashing into the boards, it happens from time to time, but what ...