Tottenham Hotspur are planning to open talks with a Premier League side over one of their key players within two weeks. Spurs technical director Johan Lange faces a busy summer transfer window ahead as Ange Postecoglou gears up for his second season in charge. It proved to be a disappointing end to the season for Tottenham, with Postecoglou’s side picking up just two wins from their last seven Premier League games. Postecoglou called for ‘change’ during a difficult run of results and Spurs will surely be hoping to get their business done early this summer. And according to Football Transfers, …