Arsenal could be set to light up the summer transfer window with a blockbuster move, and the West Ham fans won’t be happy at all. West Ham and Arsenal are expected to be very busy indeed in the summer transfer window, with both clubs in desperate need of numerous signings. New Hammers boss Julen Lopetegui is searching for at least six new signings, with the addition of a proven centre-forward right at the top of his wish-list. However, the Spaniard needs to strengthen all over the park. Central midfield is still an area where the 57-year-old West Ham boss will want to improve. In my opinion, w…