Borussia Dortmund has slumped to a 4-2 loss at promoted Holstein Kiel. It piles the pressure on coach Nuri Sahin after the team’s worst opening half to the Bundesliga for 10 years.

Promoted Holstein Kiel had to endure Borussia Dortmund's late comeback attempt but held on to claim a 4-2 win in the Bundesliga on Tuesday. The home crowd was euphoric when Shuto Machino broke the deadlock in the 27th,

Borussia Dortmund's season is on the brink of collapse following their two defeats in two league games this year while coach Nuri Sahin is quickly running out of time to turn things around for last year's Champions League finalists.

Criticism of Borussia Dortmund coach Nuri Sahin was widespread during and after Tuesday's 4-2 Bundesliga defeat to Holstein Kiel.But after the game, the 36-year-old was backed by the club's managing