New Hammers head coach Julen Lopetegui has shared a transfer promise he received from the West Ham hierarchy. Julen Lopetegui may not have been the first choice name on the lIps of West Ham fans to replace David Moyes. But if sceptics among Hammers fans took comfort in one thing, it was the fact he walked out on Wolves on the eve of last season over broken promises. Many West Ham supporters saw that as proof Lopetegui was a manager of substance and principle. The Spaniard walked out on Wolves after the club continually shifted the goalposts regarding transfer spending and ambition. Fans feel W…