What new Hammers head coach Julen Lopetegui was shouting on the touchline makes his first West Ham impressions crystal clear. They say pre-season is just for fitness. That nothing should or can be read into performances and results. While that may be true for the most part, things are different for West Ham this pre-season. The Hammers have a new head coach in Julen Lopetegui. The Spaniard has made his fierce West Ham ambition clear since taking over from David Moyes. Lopetegui joins the club under pressure to drastically change West Ham’s risk averse and slow style of play. It has been clear …