Simon Jordan has explained when West Ham must instantly sack Julen Lopetegui after the Spaniard’s appointment was made official. Julen Lopetegui was only officially unveiled as West Ham’s new head coach three days ago. But there has already been much debate about how long he will be with the Hammers. It is fair to say fan reaction to the appointment both before and since the announcement has been lukewarm. Media analysis, on the whole, has been pretty scathing with judgement of Lopetegui clearly coloured by the way he left Wolves last summer. A host of pundits, journalists and ex players have …