DAVID EMERY suggests Manchester United boss Louis van Gaal may have made a high-profile mistake in his transfer dealings at Old Trafford

There is a dying of the light for most managers, a time when the cheering stops and the jeering begins. Luiz Felipe Scolari found his in the harsh glare of Belo Horizonte this summer, his Brazilian favourites destroyed 7-1 by Germany in the World Cup semi-final.Don Revie, architect of the great Leeds machine, had to flee incognito into the Arabian desert; Graham Taylor, prince of Watford was turnip of England and even Sir Alf Ramsey was pilloried...