They will join Erik ten Hag's backroom team.
Manchester United have confirmed the appointment of Mitchell van der Gaag and Steve McClaren as Erik ten Hag's assistant coaches.
Van der Gaag was with ten Hag at Ajax last season, and spent time with Scottish club Motherwell during his playing career.
McClaren, meanwhile, returns to Old Trafford 21 years after leaving his role under previous manager Alex Ferguson.

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