Gurianov inked a two-year contract with CSKA Moscow on Thursday, Daria Tuboltseva reports.
Gurianov was traded to Philadelphia from Nashville in exchange for Wade Allison on Friday, per Pierre LeBrun of The Athletic.
Gurianov was a healthy scratch for the third time in his last four games Saturday against the Blues.
Gurianov scored a goal on two shots in Tuesday's 5-3 loss to the Ducks.
Gurianov was recalled from AHL Milwaukee on Saturday, per Emma Lingan of The Hockey Writers.
Gurianov was placed on waivers by Nashville on Saturday, per Chris Johnston of TSN.
Gurianov agreed to a one-year, $850,000 contract with Nashville on Tuesday.
Gurianov won't receive a qualifying offer from the Canadiens, which will make him an unrestricted free agent Saturday, per Renaud Lavoie of TVA Sports.
Gurianov had a power-play assist, one shot on goal and one blocked shot over 17:27 of ice time in Thursday's 4-2 loss to the Bruins.
Gurianov had an assist, one shot on goal, two blocked shots and two penalty minutes over 14:11 of ice time in Tuesday's 3-2 win over the Lightning.