Youth coach Mike Tullberg will take charge against Werder Bremen on Saturday in the Bundesliga while Dortmund searches for Sahin's replacement. Reports in Germany identified the favorite as ex-Bayern Munich and Monaco coach Niko Kovac but he told Austrian TV on Wednesday, “No one has spoken to me.”

The manager is taking the brunt of the criticism for a poor season but issues off the pitch are as significant as those on it

Borussia Dortmund have appointed Niko Kovac as their new head coach, the Bundesliga club have announced. The 53-year-old succeeds Nuri Sahin after the former Dortmund, Real Madrid and Liverpool midfielder was sacked on Jan.