Knyzhov was released from his professional tryout agreement with the Penguins on Friday, per Matt Vensel of the Pittsburgh Post-Gazette.
Knyzhov will join the Penguins on a professional tryout, the team announced Thursday.
The Sharks placed Knyzhov on unconditional waivers for the purpose of buying out his contract Saturday, Chris Johnston of The Athletic reports.
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.