Knyzhov was placed on waivers Saturday, Elliotte Friedman of Sportsnet reports.
Knyzhov earned an assist in Saturday's 5-1 loss to the Predators.
Knyzhov was recalled from AHL San Jose on Sunday.
Knyzhov agreed to a two-year contract extension with San Jose.
Knyzhov was reassigned to AHL San Jose on Saturday,
Knyzhov scored a goal in Tuesday's 6-5 overtime loss to the Blue Jackets.
Knyzhov was recalled from AHL San Jose on Sunday.
Knyzhov (Achilles) was activated from injured reserve and subsequently assigned to the AHL on Sunday.
Knyzhov (Achilles) was sent to AHL San Jose on Monday for a conditioning stint, Curtis Pashelka of The San Jose Mercury News reports.
Knyzhov (Achilles) practiced with the Sharks on Thursday for the first time since undergoing surgery in August, per Colton Pankiw of San Jose Hockey Now.