In the midst of a four-game losing streak, Borussia Dortmund sacked Nuri Şahin on Wednesday, but the club's problems go much deeper than the manager.

Borussia Dortmund have sacked head coach Nuri Sahin after their Champions League defeat at Bologna. The German side have lost four successive matches in all competitions since the winter break. The 2-1 defeat against the Italian club on Tuesday was their third loss in this season's Champions League for last year's beaten finalists.

Borussia Dortmund has fired coach Nuri Sahin, the German soccer club said on Wednesday after a shock loss to Bologna in the Champions League that stretched their losing run to four games across all competitions.

Borussia Dortmund have sacked head coach Nuri Sahin with the team out of the German Cup and struggling in the Bundesliga. Sahin, who was appointed in June as Edin Terzić's replacement, was supposed to usher in a new era but the former Dortmund player's reign has proved short-lived with the team 10th in the league.