A chaotic Manchester United performance is par for the course these days, but there is some quality in the team. There is individual quality among all of Manchester United’s players. Manager Erik ten Hag has just been struggling to tie them together in a coherent, functioning plan all season. The manager’s efforts have not been helped by defensive injuries, but that does not explain the often cavalier midfield approach, which has been consistent no matter who is in the starting line-up. One player who has been thriving amid the chaos is teenager Kobbie Mainoo, who scored his first ever goal at…