Tottenham Hotspur have made a surprise bid for the Barcelona midfielder Frenkie De Jong on a four-year deal. The Lilywhites were unable to bring in any midfielders to provide immediate cover in the January window with Lucas Bergvall set to join up with the squad in the summer. But it seems as if the midfield additions may not stop with the young Swede over the coming months as Tottenham eye the Dutch star, De Jong. Tottenham make Frenkie De Jong bidAccording to Spanish outlet Jijantes, Ange Postecoglou’s side have made a €60m (£51m) offer to the La Liga giants for their 26-year-old star. It is…