West Ham United have numerous players away on international duty with their respective nations this summer. The sheer volume of players West Ham currently have on international duty is a sign of how much progress we’ve made over the past few years. Julen Lopetegui has the makings of a very good squad at the London Stadium, but he obviously still needs to strengthen his ranks considerably this month. And the latest injury news concerning one Hammers player may well expedite the need for one signing in particular… Edson Alvarez is currently away with Mexico at the Copa America, and he was in the…