straight to your inboxManchester United are worried that they will face much stiffer competition for Jadon Sancho next year if they don't sign him this summer, according to reports.Though United are also looking at a number of left-backs, attacking signings remain the priority in the current window and Borussia Dortmund star Sancho is still the club's top target.There was progress last week in negotiations over Sancho's personal terms and agent costs, but the two clubs remain at a stalemate due