Tottenham Hotspur have now identified a Premier League centre-back who can bolster Ange Postecologu’s options at the back next season. Having recently sanctioned permanent departures for Joe Rodon and Eric Dier, Tottenham look slightly light in defence. Although neither played a significant role last term for Postecoglou, Spurs already struggled for solutions during Micky van de Ven’s injury and Cristian Romero’s lengthy suspension. Radu Dragusin is an excellent addition in that regard, proving his readiness to play first-team football for Tottenham whilst at the Euros. But with just 19-year-o…