Red Wings goalie Jimmy Howard is expected to miss two-to-four weeks with a sprained knee.
New York Rangers captain Ryan Callahan will be sidelined for four to six weeks because of a sprained left knee sustained Tuesday night in a 4-1 loss to the Nashville Predators.
Vancouver Canucks' defenseman Keith Ballard will have an MRI on Tuesday after sustaining a knee injury early in Monday night's 4-2 win over the Ottawa Senators.
Devils goalie Martin Brodeur was out Tuesday after hurting his knee.
St. Louis Blues defenseman Erik Johnson is listed as day-to-day after sustaining a right knee injury.
Lightning starting goalie Mike Smith was scratched from Tuesday night's game against Florida due to a left knee injury.
Chicago Blackhawks rookie Jonathan Toews has a sprained right knee and won't need surgery, TSN of Canada reported on Thursday.
Jonathan Cheechoo, who led San Jose with 37 goals this season and came into the playoffs with 20 points in 13 games, is listed as day-to-day after an MRI on Thursday revealed he has a knee sprain, according to a report on TSN of Canada's Web site.
Rory Fitzpatrick will miss the next four to six weeks because of a hairline fracture in his left foot.
Jochen Hecht will be lost for two weeks with a sprained MCL in his left knee.
Alex Tanguay, the leading scorer for the Colorado Avalanche, will be out two to four weeks with a right knee sprain.
Chicago Blackhawks goaltender Nikolai Khabibulin will be sidelined up to six weeks because of a sprained knee.
Islanders goalie Rick DiPietro was diagnosed with a mild left knee sprain Saturday and is day-to-day.
New York Rangers left wing Martin Rucinsky, who has gotten off to a solid start, will miss two to four weeks with sprained MCL in his left knee.
Rangers defenseman Greg de Vries, one of the NHL's most durable players, will be out four to six weeks with a ligament sprain in his right knee.
The Dallas Stars on Friday activated goaltender Ron Tugnutt from the injured reserve list.