By Joshua Browne Erik ten Hag has asserted that doubts about Jadon Sancho’s ability were never a factor in the decision to allow his exit from Manchester United – a decision that has now come under renewed scrutiny. Sancho returned to his former club Borussia Dortmund on loan in January, following a contentious fallout with Ten Hag. And, despite the discord, Sancho has regained his form in Germany, helping Dortmund recently secure a spot in the Champions League semi-finals. Amid a challenging second half of the season for United, Ten Hag has been criticised for allowing Sancho leave Old Traffo…