Chelsea could be about to end any hopes West Ham United had of enjoying the perfect summer transfer window. In all fairness, West Ham have already had a 9/10 summer transfer window, but Chelsea could well stop it from becoming a 10/10. Julen Lopetegui has brought eight new players to the London Stadium over the past couple of months, and the Hammers boss is apparently after even more signings before deadline day. The Spaniard is pretty well covered in most departments, but there are a couple of positions that still need some improvement. Centre-forward is definitely one of those positions, wit…