Second-place Eintracht Frankfurt suffered their first Bundesliga defeat of the season on Sunday after going down to a shock 2-0 loss at Borussia Monchengladbach.
Frankfurt's loss means league leaders Bayern Munich, who beat Hoffenheim 2-0 at the Allianz Arena on Saturday, stay five points clear at the top of the table after a German league record-equalling seven straight victories.
Having won promotion from the second division in May, Armin Veh-coached Frankfurt had previously won six of their seven games since coming up, while this was only Gladbach's second league win of the season. The victory moves Gladbach up to 10th in the table, while Frankfurt stay second.
A wonder goal after only eight minutes from Gladbach's Venezuela veteran Juan Arango, which flew into the left-hand corner from 30 metres out, stunned the guests. Dutch striker Luuk de Jong then doubled the hosts' lead at Borussia Park when he drilled his shot into the top-right corner on 24 minutes to put Gladbach on the way to three points. It was the Dutch international's second goal since joining Gladbach from FC Twente in the summer.