Letunov was traded from the Hurricanes to the Rangers on Monday in exchange for Tarmo Reunanen.
Letunov was placed on waivers Saturday, TVA Sports' Renaud Lavoie reports.
Letunov was assigned to AHL San Jose on Tuesday, per CapFriendly.
Letunov was assigned to AHL San Jose on Sunday.
Letunov was designated for the taxi squad Friday, CBS Sports reports.
Letunov cleared the NHL's COVID-19 protocols Saturday, Sportsnet's Chris Johnston reports.
Letunov is unavailable due to the league's COVID-19 protocols.
Letunov was held out of Tuesday's training camp session for undisclosed reasons, Curtis Pashelka of The San Jose Mercury News reports.
Letunov signed a one-year, two-way deal worth $700,000 with San Joe on Monday according to CapFriendly.com.
The Sharks reassigned Letunov to AHL San Jose on Wednesday.