But Rashford made the difference, with two goals in 10 second half minutes to shunt United into the box seat.
Van Gaal’s plans for an extremely tricky tie were thrown into chaos in the warm-up yet again when Martial was forced to pull out.
United suffered a similar problem in the nightmare 2-1 defeat in Denmark when keeper David De Gea injured his knee in the warm-up and was forced to pull out.
Injuries really are becoming a recurring nightmare for LVG who went into the game without Chris Smalling, effectively ripping out the entire spine of his team.
Van Gaal – with 14 first teamers out – had his brains put through the mincer before a ball had been kicked and there was worse to come when his worst fears were realised and United fell behind.
The Reds had made a bright enough start, seemed to be doing all the right things and had launched several assaults on the Danes’ goal when they were hit with a 27th minute sucker punch.