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.

Niko Kovac will become new coach at Bundesliga club Borussia Dortmund, managing director for sport Lars Ricken confirmed on Wednesday night. "Yes, I can confirm it. We have reached an agreement in principle with Niko Kovac.

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.