According to Marca, Real Madrid club leaders, after having signed Eder Militao from Porto, are planning to give Zinedine Zidane a new backliner, among the following four: Milan Skriniar (Inter Milan, in the pic), Matthijs De Ligt (Ajax), Kalidou Koulibaly (Napoli), Ozan Kabak (Stuttgart). As widely known, the first three ones are tracked by many other A-listers already.
Source: transfermarketweb.com