Sadowy will not be extended a qualifying offer by the Red Wings, which means he'll become an unrestricted free agent on July 1, Ansar Khan of MLive.com reports.
Sadowy was reassigned to ECHL Toledo on Tuesday.
Barring a poor showing at the upcoming prospects tournament and training camp, Sadowy is likely to start the 2017-18 season with AHL Grand Rapids, MLive.com reports.
Sadowy was assigned to AHL Grand Rapids on Thursday.
Sadowy agreed to terms on a three-year, entry-level contract with the Red Wings on Tuesday.
Sadowy, acquired from the Sharks on Thursday in exchange for a 2017 third-round pick, will start his professional career with AHL Grand Rapids, MLive.com reports.
The Sharks traded Sadowy to the Red Wings in exchange for a 2017 third-round pick Thursday.
The Sharks released Sadowy from training camp on Wednesday.