Grzelcyk logged a power-play assist and three blocked shots in Tuesday's 4-3 shootout loss to the Islanders.

Grzelcyk recorded an assist and went minus-2 in Saturday's 4-3 loss to the Canucks.

Grzelcyk signed a one-year, $2.75 million contract with the Penguins on Monday, per Elliotte Friedman of Sportsnet.

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.