Two days ahead of Sunday’s Bundesliga clash with Borussia Mönchengladbach at a sold-out Signal Iduna Park, Jürgen Klopp had some bad news to share: Roman Weidenfeller and Marco Reus are both ill.

The two Dortmund players have been confined to bed with a stomach bug since Thursday. “They have some severe symptoms,” said the BVB coach who can only hope that the two will recover in time to face Mönchengladbach…