Erik ten Hag has just been handed another massive injury blow, just as his woes were easing with two players now out of the FA Cup semi-final. Manchester United have suffered more than anyone else this season on the injury front, and now yet another blow has been dealt. For much of this season, the defence has been plagued by injuries with countless combinations being fielded to make up for the continual crisis. Recently, though, it seemed as though these concerns were easing across the pitch. Both Lisandro Martinez and Harry Maguire returned from injury concerns against Brentford in defence w…