The Edmonton Oilers said that forward Jordan Eberle will miss four to six weeks with a shoulder injury.

Eberle left Tuesday night's game against Arizona in the first period following a collision against the wall behind the Coyotes' net.

Eberle was the Oilers' top scorer last season with 63 points (24 goals, 39 assists) in 81 games.

Dennis Seidenberg will have surgery Thursday to repair a lumbar spine disk herniation and will be sidelined approximately eight weeks, the team announced Wednesday.

Seidenberg suffered the injury during an offseason workout. He did not participate in the first week of training camp.

The 34-year-old blueliner played in all 82 games for the Bruins last season.

Bruins defenseman Dennis Seidenberg will have surgery Thursday to repair a lumbar spine disk herniation and will be sidelined approximately eight weeks, the team announced Wednesday.

Dr. Louis Jenis will perform the lumbar microdiscectomy at Massachusetts General Hospital.

Seidenberg suffered the injury during an offseason workout. 

Red Wings prospect Jerome Verrier broke his leg Friday in a collision with Darren Helm hat left the team shaken as it opened training camp under a new coach.

The 21-year-old collided with Helm during a drill in the camp's first 10 minutes, resulting in both going to the hospital.

Johan Franzen has been cleared to participate in training camp and is expected to be ready for the season opener Oct. 9 against the Toronto Maple Leafs at Joe Louis Arena, general manager Ken Holland told MLive.com on Saturday.

"He trained hard, he pushed himself hard. He's been cleared," Holland said.

"He's a big body that can score goals. Our hope is it will enable us to roll four lines and get offense up and down the lineup. He's going to be rusty, it's an important training camp for him. By the time we get going it's going to be [nine] months between games. He has to get his timing and his comfort level back."

Franzen was limited to 33 games last season because of post-concussion syndrome and other injuries, but has been working out with teammates during informal skates at Joe Louis Arena.

Lightning goaltender Andrei Vasilevskiy had successful surgery on Thursday, September 3 to remove a blood clot from near his left collarbone and to treat a type of Vascular Thoracic Outlet Syndrome, Vice President and GM Steve Yzerman announced this morning.

The procedure was performed by Dr. Karl Illig, Director of Vascular Surgery at Tampa General Hospital. Vasilevskiy is expected to fully recover and he should be able to return to the ice in 2-3 months.
 
The 21-year-old Vasilevskiy played 16 regular season games for the Lightning in 2014-15, compiling a record of 7-5-1 with a .918 save percentage.  Vasilevskiy also appeared in four Stanley Cup Playoff games.
  

Nicklas Backstrom is recovering from off-season hip surgery and isn't sure if he'll be ready to play for the Capitals in their season opener October 10 against the Devils.

Backstrom skated with several teammates during non-contact drills Thursday. He began skating last month and rehabbing while home in Sweden.

"It's obviously not fun to not know, but on the other hand, I'm not in a rush," Backstrom told the Washington Post.

Devils defenseman Bryce Salvador has retired after nearly 800 games in 14 NHL seasons.

The NHLPA announced Salvador's retirement on Wednesday.

Salvador was a captain for the Devils the past three seasons but missed all but 15 games last season with a back injury.

Brad Marchand took advantage of the Bruins extended time off over the summer to have surgery to repair torn tendons in his right elbow that had been bothering him since before the start of the 2014 postseason.

Marchand, who is taking part in informal workouts with teammates here at Ristuccia Arena, said he expects to be at full strength when training camp opens Sept. 17.