Julen Lopetegui needs to strengthen his right-back ranks at West Ham United in the summer transfer window. West Ham boss Julen Lopetegui has attacked the transfer market ruthlessly this summer, and has already completed the signing of Luis Guilherme. There apparently will be at least six new arrivals at the London Stadium in the summer transfer window, but I think the number of new signings will end up being closer to 8-10. Lopetegui needs to strengthen pretty much every department of his Hammers squad, but right-back is a real area of concern in my opinion – a position that is maybe being ove…