West Ham United have upstaged every single Premier League club in the summer transfer window so far, Aston Villa included. The summer transfer window has been a transformational one for West Ham so far, with eight new players having been brought in by Julen Lopetegui. Six players have left the London Stadium, and that kind of turnover needed to happen, with numerous big upgrades made already by the Hammers head coach. The 57-year-old has already made it very clear that he hasn’t been happy with the performances of his players during pre-season. But in fairness to them, it will take time for al…