man united succeed with exit request as details emerge of amazing clause in confirmed sale Manchester United successfully changed the terms of Hannibal medb's transfer to Burnley making it a permanent deal instead of a loan MB signed a 4-year contract with Burnley for a fee reported as £ 5.4 million rising to 9.4 million United negotiated a sell on clause and a buyback clause for the 21-year-old midfielder please subscribe to my channel