Dallas Stars forward Rich Peverley will not play again this season and will undergo a procedure to try to regulate his heart rate.
Vancouver Canucks general manager Mike Gillis declined to comment Wednesday about the future of coach John Tortorella, whose team is suffering a free fall down the standings.
NHL commissioner Gary Bettman indicated fewer concussions have occurred in the league so far this season, but wouldn't reveal any numbers.
There were no sweeping rule changes recommended on Day 2 of the NHL's general managers, but the league's GMs continue to tinker. Especially when it comes to cleaning up faceoffs.
Boston Bruins forward Daniel Paille will likely miss two games due to a minor concussion, according to coach Claude Julien.
Columbus Blue Jackets rookie defenseman Ryan Murray will miss four to six weeks after undergoing arthroscopic surgery on his knee.
The Dallas Stars have called up goaltender Cristopher Nilstorp from Texas of the American Hockey League while they figure out the extent of Kari Lehtonen's head injury.
Calgary Flames forward Matt Stajan has been granted a leave from the team as he mourns the death of his infant son.
The Buffalo Sabres have suspended newly acquired defenseman Rostislav Klesla for failing to report to the team's AHL affiliate in Rochester.