Tottenham Hotspur have now seen one of their summer transfer targets make a decision on his future ahead of the window opening. Although the window has not officially opened, Tottenham are up and running this summer with the signing of Timo Werner on a season-long loan deal. However, there are a number of positions which Ange Postecoglou is looking to address at the Tottenham Hotspur Stadium this summer. Postecoglou has already admitted that he is looking to sign a new centre-back at Tottenham over the coming months despite bringing in Radu Dragusin in January. Departures of Eric Dier and Davi…