Arsenal and Crystal Palace have been negotiating a deal for Eddie Nketiah – but there could still be further business between the two London clubs. In case you missed it, Crystal Palace are close to signing Nketiah in a £30m move from Arsenal after the England international saw his switch to Nottingham Forest collapse. However, Arsenal could then sign a player from Crystal Palace before the transfer window shuts on Friday 30th August… Arsenal may sign Sam JohnstoneCharles Watts has now suggested that Arsenal could sign Sam Johnstone from Crystal Palace – as the Gunners search for a new goalkee…