Jadon Sancho has left Manchester United for Borussia Dortmund and is unlikely to play for the Red Devils again. Talent can make up for a lot in football. But it can’t counter-balance a poor attitude, which led to Jadon Sancho choosing not to play for Manchester United over the past few months. All that was required of Sancho was an apology to his manager, to get his career back on track after his social media outburst. Erik ten Hag had hoped that when he called Sancho out for under-par training efforts, the player would respond with a new determination. Instead he received an immature response…