Bundesliga leaders Borussia Dortmund dropped more points in the title race on Monday when they were held to a goalless draw at bottom side Nuremberg.
Dortmund are now just three points ahead of second-placed Bayern Munich, the defending champions who won 3-2 at Augsburg on Friday, with their lead slashed from nine points after drawing their last three league games.
"That was definitely too little from us, we have to pick up points again," said forward Mario Goetze.
"They didn't make it easy for us by standing deep, but we must improve."
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