Manchester United have been dealt an unwelcome injury blow after Harry Maguire was forced to withdraw from the England squad. Harry Maguire is dealing with an injury scare after being forced to withdraw from the England squad. Maguire played in England’s defeat to Brazil at the weekend, in which young teammate Kobbie Mainoo made his Three Lions debut. The FA confirmed Maguire has returned to Manchester United for assessment after picking up an injury. Fabrizio Romano reports Maguire is “not expected to be out for long time with injury initially described as not serious — scan will clarify more…