Borussia Dortmund captain Marco Reus equalised in added time to salvage a 3-3 draw at home to Bundesliga bottom side Paderborn as Friday's shock result left Dortmund coach Lucien Favre under pressure.
Dortmund, who face Barcelona away on Wednesday in the Champions League, were 3-0 down at half-time at Signal Iduna Park and out-played before launching a second-half fight back.
"We have to apologise to our fans for that performance, especially in the first-half," said Dortmund's visibly shaken captain Marco Reus.
"We can never play like that again at home, it was really shit. It's not on."
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