Philadelphia Flyers goaltender Samuel Ersson (lower body) left Thursday's 6-3 loss to the Boston Bruins after two periods of play. He suffered a lower-body injury and was replaced by Dan Vladar for the final frame. It was a miserable night for Ersson, who allowed five goals on 20 shots. Fortunately for Philadelphia, Vladar returned from injury on Wednesday against the Columbus Blue Jackets, giving the team a proven option between the pipes if Ersson misses time. Last week, Ersson beat the league-leading Colorado Avalanche, but he has posted a disappointing .856 save percentage this season and holds an 8-10-5 record with a 3.51 goals-against average.

Boston Bruins forward Pavel Zacha (upper body) didn't finish Thursday's 6-3 victory over the Philadelphia Flyers. He exited the contest in the second period, and the Bruins ruled Zacha out for the rest of the game at the beginning of the third. Zacha scored Boston's second goal of the night in the first frame. He has potted 15 goals during the season, adding 22 assists in 54 appearances. The Bruins may have to finish the week without their top-two centers, as Elias Lindholm (upper body) was already out on Thursday. Fraser Minten moved up in the lineup, and the same may happen with Matthew Poitras on Sunday against the Tampa Bay Lightning.

Washington Capitals goaltender Charlie Lindgren (lower body) was injured during Thursday's 4-3 shootout win over the Detroit Red Wings, Sammi Silber of The Hockey News reports. Lindgren was hurt late in overtime but remained in the net for the shootout. He eventually needed assistance from his teammates to leave the ice. Lindgren didn't stop any shots in the shootout, but he had 18 saves in the game and improved to 8-6-3. The Capitals had inexperienced Clay Stevenson serving as the backup after losing Logan Thompson (upper body) for the game. While Thompson is considered day-to-day, it's unclear whether he will be able to return this week, putting the team in a tough spot if Lindgren also has to miss time.

New Jersey Devils forward Jack Hughes (lower body) left Thursday's 3-2 overtime victory versus the Nashville Predators in the first period. Hughes took only three shifts in the game, heading to the locker room twice within the first 7:30 of action. His attempts to return may indicate the injury isn't serious. After the game, Devils head coach Sheldon Keefe also suggested Hughes isn't dealing with anything serious. The team will re-evaluate the star forward on Friday. Hughes has missed a significant chunk of the season due to a hand injury, skating in only 36 games. He has recorded 12 goals and 24 assists. If Hughes is unable to suit up for Saturday's matchup with the Ottawa Senators, Nico Hischier will take over first-line center duties, while Dawson Mercer will also move up the lineup.