Blandisi inked a one-year, minor-league contract with AHL Toronto on Friday.
Blandisi will hit the open market after the Canadiens opted against giving him a qualifying offer, Renaud Lavoie of TVA Sports reports.
Blandisi was assigned to AHL Laval on Thursday, per CapFriendly.
Blandisi was added to the taxi squad Monday, CapFriendly reports.
Blandisi cleared waivers Monday, Stu Cowan of the Montreal Gazette reports.
The Canadiens placed Blandisi on waivers Sunday, Matt Cudzinowski of the Canadiens' official site reports.
Blandisi signed a one-year, two-way contract extension with the Canadiens on Friday.
Blandisi was part of a two-for-two player trade Thursday that will send both him and Jake Lucchini to the Penguins for Riley Barber and Phil Varone.
Blandisi was sent down to AHL Wilkes-Barre/Scranton on Tuesday.
The Penguins recalled Blandisi from AHL Wilkes-Barre/Scranton on Monday.