Steve Parish stopped Newcastle United signing Marc Guehi from Crystal Palace this summer. The Magpies tried extremely hard to bring the 24-year-old to St James’ Park, but every offer that Newcastle United made was rebuffed. Despite the lengthy negotiations, there had been an expectation that he would arrive. Paul Mitchell thought he could sign Marc Guehi, as he looked to do his first major deal as Newcastle United’s sporting director. However, Mitchell was wrong. Newcastle pulled out of the Guehi deal on August 29th, and told Crystal Palace on deadline day that they would not be increasing the…