Sanford was waived Sunday, according to Elliotte Friedman of Sportsnet.
Sanford signed a one-year, two-way contract with Chicago on Tuesday.
Sanford was assigned to AHL Rockford on Friday.
Sanford was moved to AHL Rockford on Friday, per Ben Pope of the Chicago Sun-Times. It's believed his reassignment is merely a paper transaction to keep him eligible for the AHL playoffs.
Sanford is still with the Blackhawks despite being waived by the team Feb. 20, Ben Pope of the Chicago Sun-Times reports.
Sanford was designated for waivers by the Blackhawks on Tuesday, Chris Johnston of The Athletic reports.
Chicago claimed Sanford off waivers from Arizona on Saturday, Chris Johnston of The Athletic reports.
Sanford was placed on waivers Friday, according to Craig Morgan of PHNX Sports.
Sanford was called up from AHL Tucson on Tuesday.
Sanford was sent to AHL Tucson on Wednesday.