Bundesliga wrap: Kagawa wins it for Dortmund, Bayern hit Hertha for six
Dortmund extended their record unbeaten in the Bundesliga on Saturday while Bayern Munich continued their impressive scoring form against Hertha Berlin.
Dortmund set a new club record of 20 matches without loss with a 1-0 victory over Werder Bremen at Signal-Iduna-Park.
The Bundesliga leaders were far more dominant than the scoreline suggests as Roman Weidenfeller had little to do between the posts and a Shinji Kagawa strike was enough to secure victory.
Dortmund stormed into the lead after just eight minutes as they countered from a Bremen corner. A cross from the left found Ilkay Gundongan at the back post and he unselfishly squared the ball back across goal for Kagawa to knock in a simple goal on his birthday.
The hosts almost grabbed a second four minutes later as Bremen allowed Jakub Blaszczykowski space to run into on the left but his shot was deflected wide of the post.
Dortmund continued to pepper Sebastian Mielitz's goal with shots but the visitors managed to work Weidenfeller in a rare foray forward. With 21 minutes gone Mehmet Ekici's shot from distance was spilled by the keeper but he managed to recover the ball as no-one followed the effort in.
Dortmund continued to dominate yet the second goal remained elusive. Ten minutes after the restart Lukas Piszczek's cross fell to Kagawa but the Japanese sliced his effort the wrong side of the post.
Bremen rarely had an opportunity to get forward and press for an equaliser due to the hosts' continuous pressure and the single goal advantage looked as though it would be enough.
The next goal did not come but it was enough to keep Dortmund five points clear of Bayern at the top of the Bundesliga after the Bavarians thrashed Hertha 6-0 at the Olympiastadion.
After scoring seven goals in their last two matches, against Hoffenheim and Basel, Bayern hit six past relegation threatened Hertha, with Dutch midfiedler Arjen Robben bagging a hat-trick.
Thomas Mueller scored the opener on nine minutes before Robben added two in eight minutes, the second of which came from the penalty spot.
Mario Gomez also netted a penalty just after the interval to score his eighth goal in three games, before a goal from Toni Kroos and another Robben spot kick sealed the victory.
Bremen, meanwhile, lose valuable ground in the race for Europe but remain in sixth place.
In other matches, Borussia Moenchengladbach kept hold of third place after a 2-1 win at Bayer Leverkusen.
Highly rated youngster Marco Reus scored the opener after seven minutes for Moenchengladbach, although Leverkusen responded with just 15 minutes left.
Stefan Kiessling was the goalscorer and his strike sent the BayArena crowd into raptures.
But Moenchengladbach kept pushing for a winner and Reus set up Belgian substitute Igor De Camargo in the dying stages as Lucien Favre's side grabbed a valuable three points.
Elsewhere, Patrick Helmes struck a double in Wolfsburg's come-from-behind 3-1 win at Nuremberg, while Freiburg also won by the same scoreline at Hamburg.
Augsburg defeated Mainz 2-1 in the day's other match.