Borussia Dortmund are three points clear at the top of the Bundesliga after drawing at Nuremberg.
It is their fifth consecutive game without a win in all competitions.
Dortmund’s lead over second-placed Bayern Munich has been cut after the champions beat Augsburg 3-2 on Friday night.
Nuremberg keeper Christian Mathenia frustrated Dortmund, denying Mario Gotze three times in 60 seconds – and once again after the break,
It is the first time Dortmund failed to score in back-to-back games in one season since March 2015.