The Moroccan FA refused to grant Mazraoui permission to play in the 4-4 draw with the hosts to kickoff the AFCON against Coromos on December 21.
Advertisement
Advertisement
If the fullback had featured for United, it would've been six days before he would be required for Morocco's clash with Coromos.
BBC Sport says United took the matter to FIFA, but their appeal was waved away.
Old Trafford chiefs are still bristling, believing they have been poorly treated.