West Ham United apparently could be dealt a major blow by Arsenal in the summer transfer window. Both West Ham and Arsenal are expected to be extremely active before the summer transfer window slams shut next month. Julen Lopetegui is said to be lining up six summer signings, which means he’ll be looking to add a bare minimum of another three players. The Spaniard is well known to be on the hunt for more attacking reinforcements before the end of next month. Numerous exciting names have been linked with a move to the London Stadium this summer, but now we face a big problem regarding a move fo…