Tottenham Hotspur could reportedly allow a £30 million signing to leave on a free transfer this summer. Spurs are expected to continue with an overhaul of their squad this summer as Ange Postecoglou continues to build a side in his image. Tottenham have made positive strides towards that end since the Aussie’s arrival, with the club offloading the likes of Eric Dier and Davinson Sanchez over the past year. But a few players still face uncertain futures at Spurs and Ryan Sessegnon certainly falls into that category. The 23-year-old has managed just one appearance during Postecoglou’s tenure as …