Julen Lopetegui has already made sweeping changes at West Ham United over the past six weeks or so. West Ham appointed Julen Lopetegui to replace David Moyes earlier this summer, and the Spaniard has made an explosive start to the summer transfer window. Six new signings have already been made, and the addition of Jean-Clair Todibo from Nice is apparently next up. The Hammers have actually been quite poor during our pre-season games so far, winning one, drawing one and losing two. That said, there have been signs of what Lopetegui is trying to implement, what with his high-press, high intensit…