Exclusive with Graeme BaileyNewcastle United are determined to sell one of their top stars this summer and are holding talks over what could be a double exit, TBR Football understands. The Magpies are getting busy in the transfer market and are close to doing a deal to bring in Will Osula from Sheffield United. However, there is also a feeling that exits are needed as well to balance the books and allow further spending. And TBR Football now understands that talks are underway to move two players on to the Saudi Pro League. Newcastle in talks to sell Miguel Almiron and Kieran Trippier TBR Foot…