An insane tidal wave of West Ham United transfer activity has seen no fewer than 11 players linked in one day. It’s been clear from the moment it was confirmed David Moyes was leaving that West Ham were casting their net far and wide for signings. Indeed technical director Tim Steidten and new head coach Julen Lopetegui were even working on targets before the end of last season. The Hammers already have two in the door in the shape of teenage Brazilian sensation Luis Guilherme and back-up goalkeeper Wes Foderingham. Now West Ham attentions have turned to another six or seven signings in the su…