Grzelcyk (illness) is expected to return to the lineup Saturday against the Flyers, Belle Fraser of The Hockey News reports.

Grzelcyk is battling an illness and won't travel with the Bruins to Montreal ahead of Thursday's game against the Canadiens, per Joe Haggerty of Boston Sports Journal on Wednesday.

Grzelcyk (undisclosed) will return to action Monday against Toronto.

Per Fluto Shinzawa of The Athletic, Grzelcyk (undisclosed) will not play Saturday against the Islanders.

Grzelcyk (lower body) is expected to play Saturday versus the Canucks, Fluto Shinzawa of The Athletic reports.

Grzelcyk (lower body) will be a game-time decision Saturday versus Vancouver, per Fluto Shinzawa of The Athletic.

Grzelcyk (lower body) isn't expected to play Thursday versus Calgary, per Joe Pohoryles of NHL.com.

Grzelcyk's (lower body) status for Thursday's tilt in Calgary will be known closer to puck drop, Kevin Paul Dupont of The Boston Globe reports.

Grzelcyk (upper body) will replace Parker Wotherspoon in the lineup versus New Jersey on Saturday, according to Joe Haggerty of Bruins' Substack.

Grzelcyk (upper body) is in a regular jersey at practice Thursday, according to Conor Ryan of The Boston Globe.