Manchester United as "absolutely shocking" and insists that manager Ralf Rangnick has his tactics all wrong. Allardyce, 67, blasted the German gaffer's lack of defensive nous with United having shipped 32 goals since the start of the season and nine since Rangnick's appointment in November.Club captain Harry Maguire has received heavy criticism in recent weeks with the Red Devils surrendering leads to Southampton and Burnley whilst also having been knocked out of the FA Cup by Championship side Middlesbrough.
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