Ahead of facing Aston Villa, Erik ten Hag has claimed that one thing would fix all the problems on display at Manchester United this season. The list of problems plaguing Erik ten Hag’s Red Devils this season seems endless, but undoubtedly one of the biggest issues has been the defensive structure on the left side. Lisandro Martinez and Diogo Dalot have been awful in recent weeks, with the system exposing both and costing Manchester United lots of goals – with six conceded in the last two games. It has gotten to the point where change is needed. However, Ten Hag seems to have no plan on how to…