Kostin has a lower-body injury and has not played since Jan. 10, when the Sharks faced the Utah Hockey Club in Salt Lake City. Sturm, also out with a lower-body injury, was played on injured reserve on Wednesday, the same day the Sharks claimed forward Walker Duehr off of waivers from the Calgary Flames.

General Manager Mike Grier announced today that the club has claimed forward Walker Duehr. Duehr, 27, has appeared in 16 games with the Calgary Flames this season, registering one assist. He appeared in a career-high 40 games with the Flames in 2023-24,

The San Jose Sharks claimed right winger Walker Duehr off waivers from the Calgary Flames on Wednesday, reports Sportsnet’s Elliotte Friedman. Through 16 games with the Flames in 2024-25, Duehr has recorded one point and a minus-six rating.

On Tuesday, the Calgary Flames had placed forward Walker Duehr on waivers with the intent to send him down to the Calgary Wranglers of the American Hockey League. However on Wednesday, the Flames lost the forward when the San Jose Sharks claimed him off the waiver wire.