Newcastle United want to keep Bruno Guimaraes this summer, and will believe they are protected his by release clause. If clubs want to buy Bruno Guimaraes this summer, they better find a spare £100million. That is how much must be offered for his release clause to be activated, which would make him the most expensive departure in Newcastle United history. That release clause leaves the Magpies slightly vulnerable, although there is a catch that actually leaves Newcastle United in a position of strength. Bruno’s £100million release clause can only be activated for a short period of time, with c…