Chernyshov (upper body) was placed on injured reserve Wednesday, Curtis Pashelka of The San Jose Mercury News reports.
The Sharks announced over the weekend that Chernyshov is considered week-to-week, so it isn't very surprising to see him land on injured reserve. It's not yet clear when he'll be able to return, but Colin Graf remains a candidate to see an increased role for San Jose in Chernyshov's absence.