Newcastle United are in the market for a new centre back in the final stages of the transfer window and could move for one Liverpool target. The Magpies saw Fabian Schar pick up a straight red card against Southampton, which is just about the last thing Eddie Howe needed. Newcastle are already without two centre backs with Jamaal Lascelles and Sven Botman long-term absentees. A new centre back has been a top priority with Newcastle targeting a move for Marc Guehi but signing the Crystal Palace ace won’t be easy. Newcastle also looked at Malick Thiaw but speculation surrounding the AC Milan def…