Borussia Dortmund's woes continued on Tuesday after the troubled Bundesliga outfit fell to a 2-1 defeat at Bologna which dented their hopes of direct qualification for the last 16 of the Champions League.

Borussia Dortmund and head coach Nuri Sahin have parted ways with immediate effect after a string of poor results across all competitions. When Sahin was at the helm, Dortmund struggled in the Bundesliga and got knocked out of the German Cup.

Borussia Dortmund is set to appoint Niko Kovac as the club’s new head coach. Dortmund’s managing director of sport, Lars Ricken, confirmed reports that the club had reached an agreement with the former Frankfurt, Bayern, Monaco and Wolfsburg coach this week.

Niko Kovac will be the new coach of Borussia Dortmund as last season's Champions League runner-up looks to rescue a troubled season. The former Bayern Munich and Monaco coach will start work on Sunday.

Borussia Dortmund are set to appoint Niko Kovac as the club's new head coach.The Bundesliga club sacked Nuri Sahin last week after their Champions League loss at Bologna was a disappointing fourth successive defeat.

Interim coach Mike Tullberg will be in charge of Borussia Dortmund in the Bundesliga match at Heidenheim on Saturday, no matter the result of the Champions League clash against Shakhtar Donetsk later on Wednesday,

Was Tuesday's 2-1 Champions League defeat to Bologna Nuri Sahin's last game as Borussia Dortmund coach?After Friday's 2-0 defeat to Eintracht Frankfurt - Dortmund's third in a row - managing director

In a must-win game for under-pressure Borussia Dortmund coach Nuri Sahin, the Black and Yellows travel to Bologna on Tuesday.Dortmund suffered their third defeat in a row on Friday, losing 2-0 to

Interim coach Mike Tullberg will be in charge of Borussia Dortmund in the Bundesliga match at Heidenheim on Saturday, no matter the result of the Champions League clash against Shakhtar Donetsk later on Wednesday,

In a must-win game for under-pressure Borussia Dortmund coach Nuri Sahin, the Black and Yellows travel to Bologna on Tuesday. Dortmund suffered their third defeat in a row on Friday, losing 2-0 to Eintracht Frankfurt, and Tuesday's game will be crucial for Sahin's future, with a win needed to save his job.

After Friday's 2-0 defeat to Eintracht Frankfurt - Dortmund's third in a row - managing director for sport Lars Ricken put Sahin under pressure to win Tuesday's Champions League game. And now that the game ended in defeat instead, Ricken has left it open whether Sahin will keep his job.

The appointment of the Croatian represents a break from the norm at the Westfalenstadion but it might be the shock treatment this club needs