Erik ten Hag believes that the impact of one Manchester United player being unavailable to him this season has been underestimated. Of course, it has been a difficult campaign at Old Trafford. Manchester United have struggled to build on the promise they showed during Erik ten Hag‘s first year at the club. There are doubts over whether ten Hag deserves to continue beyond this season. But he will argue that there have been factors which have harmed his team’s chances of success. And it seems that he feels that one player being sidelined with injury has had a much bigger impact than many actuall…