Bosz's tenure also saw Dortmund exit the Champions League at the group stages for the first time since 2011, scraping through to the Europa League on goal difference after failing to pick up a single victory in the competition.
It seems, however, the 2-1 defeat at the Signal Iduna Park on Saturday was the final straw for the BVB hierarchy, who deemed the former Ajax manager, who only signed a two-year-deal in July, unfit for his current role.
German media: Peter Bosz will be sacked tomorrow.— Troll Football (@TrollFootball) December 9, 2017
Bundesliga fans: pic.twitter.com/ijmmz8PL0C
"We had a conversation with
Hans-Joachim Watzke: "Wir haben gestern Abend in einem Gespräch mit Peter Bosz entschieden, dass wir ihn mit sofortiger Wirkung freigestellen. Es war sehr emotional, aber auch stilvoll.“— Borussia Dortmund (@BVB) December 10, 2017
Club sporting director Michael Zorc also stated: "I would like to thank personally Peter Bosz and again emphasise how difficult this decision has been for us."
Following his 13th winless game on the bounce Bosz cut an unsettled figure during his post-match press conference on Saturday, but believed he could still turn things around, however knew his fate lay in the hands of the Dortmund chiefs.
"I think I'm the right man for the job", the dejected 54-year-old said, as quoted by DW.
Borussia Dortmund have failed to win a single Bundesliga game from their last eight (three draws, five losses) – their longest winless run in more than 17 years (February to April 2000, 14 matches)— Goal (@goal) December 10, 2017
Today, according to reports, Peter Bosz will be sacked as manager pic.twitter.com/Mlc8Fw5LOY
"I'm responsible for what happens out on the pitch. The disappointment is clear to see and hard to deal with. But you'd have to ask them [the Borussia Dortmund board] as to whether they still have faith in me to do the job."
It appears they did not, and BVB made quick work in announcing his successor, with