With no room for error in their pursuit of UEFA Champions League football, Dortmund survived an almighty scare inside 25 seconds. Emre Can's wayward pass on the edge of his own area was picked off by Marcus Ingvartsen, whose first-time strike cannoned back off the crossbar with Marwin Hitz beaten. Union threatened again moments later, but the rampaging Keita Endo shanked wide from inside the BVB box. That sparked the Black-Yellows into action as Reus scuffed wide from 10 yards out. Thorgan Hazard and Gio Reyna made Andreas Luthe work with shots from range, before Dortmund took the lead. Reus ...