This week’s Injury Report looks at new additions and updates on injured players, as well as who has made an impact since returning.

New Additions

Shea Weber, Nashville – Concussion – Indefinite

TSN reports Shea Weber is out indefinitely with a concussion after a hard hit by Mark Fistric. “There’s no official timetable for his return, but he’s feeling better and I’m hoping there’s a chance for him to return Friday,” head Coach Barry Trotz told TSN. “But we’ll see.” Nashville has recalled Ryan Ellis.

John-Michael Liles, Toronto Maple Leafs – Concussion – Indefinite

TSN also reports Leafs defenseman Liles is suffering from concussion like symptoms and has been placed on the injured reserve after being hit by Paul Gaustad.  “We’re shutting him down for a few days,” said Coach Ron Wilson. “He was better today, but not ready to go and if we run into a crisis we’ve gotta have another defenceman available – in case of illness or another injury.”

Simon Gagne, Los Angeles Kings – Upper Body Injury – Indefinite

Gagne is out with an undisclosed injury, reports TSN. The Kings will not confirm it is a concussion after he was hit in Monday's game. Gagne has historically suffered from a variety of injuries, including concussions. Gagne is not traveling with the team on their current two game road trip.

Dustin Byfuglien, Winnipeg Jets – Knee – Day-to-Day

Big buff missed Tuesday's game with a lower body injury. Gary Lawless tweeted that Byfuglien was scratched for the game and has been playing through a knee injury for some time now

Victor Hedman, Tampa Bay Lightning – Upper Body Injury – Day-to-Day

Hedman Left Tuesday’s game against Philadelphia after a collision with the end boards.

Devante Smith-Pelly, Anaheim – Foot – Four-to-Six Weeks

Smith-Pelly was injured playing for team Canada at the World Junior Tournament. It is a tough loss for Canada.

Tomas Holmstrom, Detroit Red Wings – Groin – Day-to-Day

Holmstrom has a groin injury and is expected to miss the next seven to 10 days

Ryan Whitney, Edmonton Oilers, Ankle – Day-to-Day

Whitney is back on the sidelines with an ankle injury. He has tendonitis in the previously injured ankle that required surgery.

Peter Regin, Ottawa Senators – Shoulder – Indefinite

Regin is out with his re-occurring shoulder problem. It is very possible he his done for the season. There is concern that his chronic shoulder problems could be career threatening as well.

Updates

Mike Green, Washington Capitals – Groin – Day-to-Day

Green participated in his first full 45-minute practice on Tuesday. "I think I'm going to have to be cognizant of this for the rest of my career, probably," Green said. "It's something you've got to take care of, especially with hockey it's such a common thing. It's just maintenance right now, making sure I'm on top of my stuff and getting better. I don't think I'll be 100 percent for a long time, I've just got to get to that stage where I can play." Green told the Washington Post.

Mark Giordano, Calgary Flames – Leg – Indefinite

Flames GM Jay Feaster gave an update to NHL.com on Giordano's injury status, saying “The doctors have been pleased as he has been skating. So now it’s a matter of pushing that a little bit more every time he goes out, ramping it up a little bit. Just the fact that he’s skating, it’s good news.”

Alex Tanguay, Calgary Flames – Upper body Injury – Week-to-Week

Tanguay has moved from being listed as day-today, to week-to-week. He is not traveling with the team on their current six game road trip.

Nathan Gerbe, Buffalo Sabers – Concussion – Day-to-Day

Gerbe has passed his concussion test and has returned to practice in a non-contact capacity. Contact clearance is expected shortly, possibly later Wednesday.

Stephen Weiss, Florida Panthers – Upper Body – Day-to-Day

Weiss missed his second straight game with an undisclosed injury. He is expected to return for Friday's game.

Kari Lehtonen, Dallas Stars – Groin – Day-to-Day

Lehtonen is expected to make his return to the Dallas goal on Thursday. Dallas will be keeping Richard Bachman in place as his back up. This decision will put Andrew Raycroft on waivers

Jason Blake, Anaheim Ducks – Wrist –Day-to-Day

Blake returned to practice and is getting close to returning reports the Orange County Register

Saku Koivu, Anaheim Ducks – Groin –Day-to-Day

The Orange County Register also reported that Saku Koivu returned to practice on Tuesday. The veteran center is listed as day-to-day and is hopeful to return on Thursday.

Returning to Action

Last week saw the following players back in action

Claude Giroux, Philadelphia Flyers

Since returning, Giroux has been red hot, scoring five points in his three games to maintain the league scoring lead.

Milan Michalek, Ottawa Senators

Michalek missed five games from a concussion. He was the league leading goal scorer with 19 goals at the time of his injury, and returns behind by three to Marian Gaborik and Steven Stamkos who each have 22 goals

Martin St.Louis, Tampa Bay Lightning

St.Louis has also returned hot, with three points in his last two games.

Mike Richards, Los Angeles Kings

Richards has played well and has two points in his three games, helping the Kings win two of those three games.