He s a player manager Erik ten Hag knows well as the Morocco international left Ajax for Bayern on a free transfer at the same time as the Dutchman joined United having come through the Eredivisie side s academy.
Mazraoui started 15 Bundesliga matches for Bayern last season, providing four assists in all competitions and could provide competition for Diogo Dalot at Old Trafford, amid reports suggesting Aaron Wan-Bissaka could be on his way out this summer.
It s West Ham who have been most heavily linked with Wan-Bissaka, and sanctioning his sale to the Hammers could clear the way for United to sign Mazraoui.