Shaw has entered the league's concussion protocol, Charlie Roumeliotis of NBC Sports Chicago reports.

This is brutal news for Shaw, who missed the majority of the 2019-20 campaign with a concussion. For now, the feisty winger should be considered out indefinitely. With Shaw no longer in the mix, Mattias Janmark could see additional opportunities on Chicago's No. 1 power-play unit going forward.

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