Borussia Dortmund’s sporting director Sebastian Kehl admits that Jadon Sancho is unlikely to join the German giants permanently from Premier League powerhouses Manchester United. News of Jadon Sancho’s Old Trafford departure had some proclaiming this the end of a rather unhappy era. But it’s not quite that simple. Manchester United – and INEOS, for that matter – decided against including an option-to-buy clause in Sancho’s Dortmund contract. What’s more, with Erik ten Hag’s own future uncertain, do not rule out the prospect of the former outliving the latter, especially if Sancho can build on …