One of David Moyes’s most expensive West Ham United signings could leave the London Stadium this summer it seems. West Ham boss David Moyes is all set to leave the club this summer with Julen Lopetegui coming in to replace him, and one of his biggest signings apparently could follow him out the door. Lopetegui is expected to make at least six new signings. Meanwhile, as many as 12 Hammers are being linked with the London Stadium exit door. And one West Ham player in particular seems like he’ll definitely be off before the start of next season. Nayef Aguerd signed for West Ham from Rennes in th…