Montreal Canadiens winger Brandon Prust will be sidelined for four weeks by a right shoulder injury.
Chicago's Troy Brouwer suffered an apparent right shoulder injury on Tuesday.
Ottawa Senators center Jason Spezza is out indefinitely with a right shoulder injury.
Martin Havlat scored two goals in his first game back from a right shoulder injury, and Nikolai Khabibulin made 21 saves to lead the Blackhawks to a 5-1 victory over the Lightning on Wednesday night.
Blackhawks 5, Lightning 1
TSN of Canada reported on its Web site Thursday that Ales Hemsky will be sidelined at least two weeks with an injured right shoulder.
Vancouver defenseman Ed Jovanovski left the Canucks' game against Nashville on Sunday night because of a right shoulder injury.
The puck hasn't dropped yet and already the Red Wings are facing a key injury: Pavel Datsyuk is out a month with a separated right shoulder.
Predators right wing Viktor Stalberg will miss up to four weeks with a sprained AC joint in his right shoulder.
Travis Zajac set up two goals, and the New Jersey Devils rode another solid performance by Martin Brodeur to a 2-1 victory over the Florida Panthers on Saturday night.
Penguins defenseman Zbynek Michalek and forward Arron Asham are expected to be out about two weeks with shoulder injuries.
Phoenix Coyotes captain Shane Doan had a Grade 3 right shoulder separation, the team revealed after dropping the seventh and deciding game against the Detroit Red Wings in their first-round series Tuesday night.
Stars right wing Jere Lehtinen was activated off injured reserve, but Brian Sutherby was injured Sunday against the Coyotes.
Hurricanes right winger Scott Walker has been ruled out for four to six weeks with a shoulder injury.
Edmonton right wing Ales Hemsky will have surgery to repair his left shoulder, Oilers general manager Steve Tambellini said Friday.
NHL scoring champion Evgeni Malkin will be lost to the Pittsburgh Penguins for two to three weeks because of a strained right shoulder.