Zaitsev penned a four-year contract with SKA St. Petersburg on Thursday, Chris Johnston of The Athletic reports.
Zaitsev is questionable for Thursday's tilt against the Kings because of an illness, Ben Pope of the Chicago Sun-Times reports.
Zaitsev (upper body) will return to action Sunday versus Minnesota, according to Ben Pope of the Chicago Sun-Times.
Zaitsev (upper body) won't play Saturday against Dallas, Ben Pope of the Chicago Sun-Times reports.
Zaitsev (upper body) won't be in the lineup Tuesday versus the Islanders, per Ben Pope of the Chicago Sun-Times.
Zaitsev (upper body) will be a game-time decision for Tuesday's matchup with the Islanders, Ben Pope of the Chicago Sun-Times reports.
Zaitsev is slated to miss Saturday's matchup with the Flyers due to an upper-body injury, Ben Pope of the Chicago Sun-Times reports.
Zaitsev sustained an undisclosed injury during Thursday's tilt against Ottawa and will miss the remainder of the contest, per Charlie Roumeliotis of NBC Sports Chicago.
Zaitsev (knee) was taken off injured reserve Friday, per CapFriendly.
Zaitsev (knee) might be available to return for Saturday's game versus Washington, per Ben Pope of the Chicago Sun-Times.