Newcastle United have so far been frustrated in their attempts to sign Marc Guehi. While there has been talk of Newcastle feeling confident about doing a deal with Crystal Palace, they have now seen four offers rejected as sporting director Paul Mitchell considers potential alternatives. Guehi is said to be open to the idea of a move to St James’ Park but the club have so far been unable to put a package together that would tempt Palace into selling. Their chairman Steve Parish, after all, confirmed the Eagles were chasing “superstar money” for the England defender and Newcastle have not yet b…