West Ham have been trying to get four exciting transfers over the line and now a World Cup winner looks set to join out of nowhere. West Ham’s transfer activity is like London buses right now. You wait nearly four weeks for one and not two, not three, not four but five come along all at once. The Hammers have been locked in talks to sign right-back Aaron Wan-Bissaka from Man United. West Ham have switched from Villa striker Jhon Duran to Dortmund’s Niclas Fullkrug – and potentially back again – this week. The club has confirmed to Hammers News they are trying again for central defender Jean-Cl…