In less than 50 days, Louis van Gaal has completed the bruising tumble from a World Cup semi-final in the concrete jungle of Sao Paulo to a public humiliation amid the concrete cows of Milton Keynes.
It is what Andre Villas-Boas might call a �negative spiral�. On a day when Manchester United spirits ought to have been lifted by the arrival of Angel di Maria for a British record transfer fee, they instead went crashing out of the Capital One Cup.
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