BUFFALO, N.Y. (AP) — Sabres goalie Ryan Miller is urging the NHL to “wake up” and severely punish Chicago defenseman Niklas Hjalmarsson for his blind-side hit that knocked out Buffalo forward Jason Pominville.

Miller says a long-term suspension to Hjalmarsson would be a significant step if the league wants to show it’s serious in outlawing such hits.

Miller spoke Tuesday, a day after Pominville sustained a concussion and was taken off the ice on a stretcher. Pominville was crunched face-first into the boards in the first period of Buffalo’s 4-3 loss. He is out indefinitely.

Hjalmarsson drew a 5-minute major for boarding and a game misconduct. The NHL is expected to review the play to determine if there will be a suspension.

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