West Ham United were taken to the cleaners by Chelsea at the London Stadium on Saturday afternoon, and Julen Lopetegui is to blame for a lot of things that went on. Julen Lopetegui made huge changes at the London Stadium in the summer, bringing nine new players to West Ham. However, the 2-0 defeat to Chelsea proved that the West Ham head coach has a lot of work to do if he is to get all of those players to gel together. The sullen faces of Hammers chiefs David Sullivan and Karren Brady at the full-time whistle told a story, and things really aren’t looking good for Lopetegui right now. Despite…