Newcastle United may finally be set to flex their muscles in the transfer market, as they make their move to sign Marc Guehi. Despite the arrival of Lloyd Kelly on a free transfer, Newcastle United are in the market for another centre-back. They are aiming to acquire Fabian Schar’s long-term successor, and a new candidate has entered the conversation. It has been reported that Newcastle are in talks to sign Marc Guehi, with Toon officials approaching Crystal Palace about a deal for the 24-year-old. The Magpies’ interest in Guehi comes off the back of a sensational summer for the defender. Gueh…