NHL Injury Updates: Bruins, Sabres, Avs, Kings, Flyers, Sharks, Maple Leafs, Canucks, and Capitals

Sabres Rasmus Dahlin leaves with a concussion. Avalanche injury roundup - Mikko Rantanen close. Alec Martinez hit with skate and stepped on. Mitch Marner takes to the ice.

By Mark Easson