Leeds United have this morning made progress on sealing their first permanent sale of the summer. With £73 million of unpaid transfer instalments in need of paying before June 30, the Whites know permanent player exits will be needed during the final two weeks of this month. Though Luis Sinisterra and Tyler Adams’ sales to Bournemouth are included in this financial year, there is still just under half of the aforementioned figure that needs raising. Red Bull’s sponsorship deal is set to help Leeds when it comes to leeway in the market, but player sales are also going to be important at Elland …