Borussia Dortmund’s crisis deepened on Tuesday when they crashed out of the German Cup with a 1-0 second round defeat in extra time at Wolfsburg. Jonas Wind grabbed the winner in the 117th minute which handed Dortmund a third defeat in eight days, following a 5-2 Champions League meltdown at Real Madrid and a 2-1 Bundesliga defeat in Augsburg. “Losing three times in a row away is bad. More was possible. We had some good moments. These tight games are often decided by one goal and we didn’t manage to score it,” Dortmund midfielder Pascal Gross told Sky TV. Title holders Bayer Leverkusen meanwhi…