Clifford is considered day-to-day with an upper-body injury, David Alter of The Hockey News reports Tuesday.
Clifford signed a one-year AHL contract with the Marlies on Wednesday, per Lance Hornby of The Toronto Sun.
Clifford was waived Sunday, Chris Johnston of TSN reports.
Clifford (shoulder) was activated from injured reserve and assigned to AHL Toronto on Wednesday, per CapFriendly.
Clifford's previously undisclosed injury is a shoulder problem, per David Alter of Sports Illustrated.
Clifford (undisclosed) was placed on injured reserve Tuesday, David Alter of Sports Illustrated reports.
Clifford has been recalled from AHL Toronto on Saturday.
Clifford was put on waivers by Toronto on Sunday, James Mirtle of The Athletic reports.
Clifford received a one-game suspension for boarding Ross Colton on Monday.
Clifford will have a hearing with the Department of Player Safety on Tuesday for boarding on Tampa Bay's Ross Colton.