Oliver Glasner is still unable to say whether or not Marc Guehi will stay at Crystal Palace amid interest from Newcastle United. The Magpies are hoping to complete a deal for the 24-year-old, but their interest in Marc Guehi has developed into quite the saga. Newcastle United are still yet to agree a fee with Crystal Palace for the defender, with the transfer window set to close on Friday. Interestingly, it had been reported that Newcastle would walk away from the Guehi deal if it was not agreed before Saturday August 24th. That deadline has passed, yet there are no suggestions that the deal i…