Once the Griffins completed their playoff run , the Red Wings retained Blashill 's rights and did not allow any NHL team to interview him for openings .
The Red Wings promoted Jeff Blashill , who coached the Red Wings ' minor league affiliate the Grand Rapids Griffins .
Once the Grand Rapids Griffins completed Red Wings ' playoff run , Red Wings   Wings Jeff Blashill Blashill 's rights and did not allow any NHL team to interview him for openings .
The Red Wings promoted Jeff Blashill , who coached the Red Wings ' minor league affiliate the Grand Rapids Griffins .