Pittsburgh Penguins forward James Neal is sidelined indefinitely because of a concussion.
Vancouver Canucks center Ryan Kesler has a sprained knee and is expected to be sidelined for a couple of weeks.
Toronto Maple Leafs goaltender Jonathan Bernier left Thursday's game against the Los Angeles Kings with a lower-body injury.
Carolina Hurricanes defenseman Joni Pitkanen, who has missed the entire season as well as the latter half of last year with a broken heel, issued an update on his recovery.
For a team sitting atop the Eastern Conference standings the Pittsburgh Penguins have certainly flown under the radar in 2013-14.
St. Louis Blues forward Vladimir Sobotka received clearance from doctors on Monday and will be in the lineup for Thursday's game against the Edmonton Oilers.
The Washington Capitals signed defenseman Dmitry Orlov to a two-year, $4 million contract extension on Thursday.
Dallas Stars forward Rich Peverley was released from the hospital Wednesday night after undergoing tests to determine the cause of the cardiac event he sustained during Monday's game against Columbus.
Dallas Stars forward Rich Peverley won't play again this season and will undergo a procedure to correct an irregular heartbeat.
Colorado forward P.A. Parenteau is expected to be out of the lineup for a while thanks to a right knee sprain.