Chicago Blackhawks defenseman Niklas Hjalmarsson has been suspended for the rest of the preseason and one regular-season contest for his high hit on St. Louis Blues forward Ty Rattie on Saturday.

Here's the explanation from the NHL's Department of Player Safety:

Hjalmarsson was given a match penalty for a hit to the head Saturday. He'll forfeit more than $22,000 based on his salary.

The Blackhawks have two preseason games remaining - a home date with the Detroit Red Wings on Tuesday and a rematch with the Blues in St. Louis on Saturday.

Chicago and St. Louis open their regular-season schedule against each other at the United Center on Oct. 12.

(Video courtesy: NHL.com)

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