Every call Julen Lopetegui makes right now is huge given the pressure he is under at West Ham ahead of the clash with Brentford. West Ham go to Brentford in the Premier League on Saturday afternoon with Julen Lopetegui absolutely desperate for a win. Heavy defeats to Chelsea and Liverpool in the last week have piled the pressure on the Spaniard just seven matches into his Hammers tenure. Brentford away gives the 57-year-old the perfect opportunity to change the narrative. Excuses have been made for – and by – Lopetegui about West Ham’s tough fixture list so far. But Brentford is a winnable gam…