It may have surprised a few when Ange Postecoglou decided not to replace Harry Kane with another star at Tottenham Hotspur last summer. Postecoglou had the unwanted task of holding Tottenham together following their historic star’s departure. And rather than seeing his appointment as a poisoned-chalice, the manager identified a real opportunity to mark a new era. Postecoglou’s decision to spread responsibility throughout his squad now looks to be a superb one. Son Heung-min has been back to his best, and the likes of Pedro Porro and a few new signings have emerged as unlikely leaders. That bei…