Borussia Dortmund on Saturday suffered a shock 2-0 opening day defeat at home to Bayer Leverkusen. Jurgen Klopp’s men conceded the first goal after just nine seconds, a Bundesligarecord, while the second came in stoppage time. Meanwhile, defending champ BayernMunich eked out a 2-1 win in its opening match against VfL Wolfsburg on Friday, thanks to goals from Thomas Muller and Arjen Robben.