By James Cormack David Moyes will be remembered as the greatest West Ham United manager of modern times, but many believed a refresh was required in east London. Step forward, Julen Lopetegui. The Spaniard arrives with a fairly lofty reputation following his exploits with Sevilla and a brief stint at Wolves means West Ham’s new touchline marauder has Premier League experience. The Hammers have certainly appeased their exotic new coach by overseeing an incredibly busy and exciting transfer window, but will Lopetegui’s shiny new toys coalesce to have West Ham challenging for the European spots a…