Leeds United have plenty of work to do both in terms of incomings and outgoings this summer. The Whites are preparing for a second successive season of Championship football after losing 1-0 to Southampton in the play-off final at Wembley last weekend. In the days immediately after Leeds’ defeat, much of the focus surrounded those who might be leaving Elland Road, with Crysencio Summerville, Willy Gnonto, Archie Gray and Georginio Rutter among those touted for exits. And while chairman Paraag Marathe has come out and admitted some sales will be needed, he has also been pretty bullish in his ho…