Second-placed Mainz enjoyed a 3-0 win over Nuremberg on Friday to cut Borussia Dortmund's lead at the top of the Bundesliga to four points.
Borussia Dortmund steam-rollered hapless Freiburg 5-0 while Bayern Munich plodded past VfL Wolfsburg 1-0 as the two unbeaten arch-rivals remained level on points at the top of the Bundesliga on Saturday.