Julen Lopetegui is already making his mark at West Ham by pulling the plug on no-brainer transfer the club had lined up. One of the reasons David Moyes found himself under increasing pressure at West Ham was their squad. The Scot has always said he preferred working with a small squad. So that’s exactly what he did at West Ham, putting together the smallest group of players in the Premier League, three short at 22. Only Man City have the same number. Except theirs is two teams of world class players whereas the quality between West Ham’s first XI and back-ups is night and day. That’s despite s…