Niko Kovac 'annoyed' despite Borussia Dortmund's narrow win over Koln
Borussia Dortmund head coach Niko Kovac revealed his annoyance with his team's performance in the 2-1 victory against FC Koln at the RheinEnergieStadion on Saturday.

Borussia Dortmund head coach Niko Kovac revealed his annoyance with his team's performance in the 2-1 victory against FC Koln at the RheinEnergieStadion on Saturday.
Bundesliga leaders Bayern Munich maintained their grip on the top of the standings with an emphatic 4-1 win over Borussia Monchengladbach at the Allianz Arena on Saturday.
Borussia Dortmund have confirmed that captain Emre Can will be offered a contract extension, even after suffering a season-ending ACL injury.
Niko Kovac has insisted Borussia Dortmund were "not doing so badly at all" despite a painful 3-2 defeat to FC Bayern Munich in Der Klassiker on Saturday.
Striker Harry Kane bagged a brace of goals, including a stinging volley, to help Bayern Munich to a thrilling 3-2 win over Borussia Dortmund in the Bundesliga at Signal Iduna Park.
Niko Kovac has demanded courage and composure from Borussia Dortmund as they prepare to face Bayern Munich, insisting his side must be "brave in possession" if they are to beat the German champions at Signal Iduna Park.
Niko Kovac has urged his side to deliver a near-perfect performance when Borussia Dortmund host league leaders FC Bayern Munich in Saturday's Klassiker.
Vincent Kompany has labelled Bayern Munich's showdown with Borussia Dortmund a "title in its own right", underlining the significance of Saturday's Klassiker at Signal Iduna Park.
Bayern Munich will travel to Signal Iduna Park for Saturday's Der Klassiker clash with Borussia Dortmund, where stars Harry Kane and Serhou Guirassy will be among those hoping to sparkle.