Matthews (upper body) will return to the lineup versus Boston on Saturday, David Alter of The Hockey News reports.

Matthews (upper body) took part in Wednesday's practice, but he won't play Thursday versus the Islanders, per Dave McCarthy of NHL.com.

Matthews (upper body) was placed on injured reserve Tuesday.

Matthews (upper body) was a partial participant in Monday's practice session but has been ruled out for Tuesday's game against the Islanders, Dave McCarthy of NHL.com reports.

Matthews (upper body) skated for 30 minutes Saturday, but will not play versus Washington, Elliotte Friedman of Sportsnet reports.

Matthews (upper body) is not at practice Friday, according to David Alter of The Hockey News.

Matthews (upper body) has been ruled out for Monday's game against the Jets, Ken Wiebe of The Winnipeg Free Press reports.

Matthews (upper body) isn't expected to play Saturday versus the Islanders, according to TSN.

Matthews scored a power-play goal in Friday's 6-3 win over the Sabres.

Matthews scored two goals on a game-high seven shots on net while adding four blocked shots in Wednesday's 3-2 win over Nashville.