Two games in four days could well decide the trajectory of Manchester United under Erik ten Hag for the foreseeable future- Porto away and Aston Villa away. It was the same scenario last season when it looked like everything hinged on the FA Cup and that Erik ten Hag in the job. However, nobody thought that would be the case again so soon this season but that’s where the manager finds himself. Ahead of United’s training in preparation for the first of those tests, Ten Hag was hard at work trying to find the solutions to the problems in the team. One Man United player caught his attention in pa…