Newcastle United are aiming to sign Malick Thiaw from AC Milan, but he is not the only centre-back that the Magpies have considered. As it stands, Malick Thiaw is Newcastle’s top target. The 22-year-old could potentially become Paul Mitchell’s first major signing as Newcastle United sporting director, with the Magpies in contact with Thiaw’s agent. The AC Milan defender is the leading candidate to arrive at St James’ Park, with Eddie Howe keen to add a second centre-back to his squad this summer. This comes after Lloyd Kelly joined Newcastle on a free transfer from Bournemouth. Newcastle now w…