Borussia Dortmund lifted themselves off the foot of the Bundesliga thanks to a 3-0 win at Freiburg.
Marco Reus put the Westphalians in front in the ninth minute with Pierre-Emerick Aubameyang doubling their lead early in the second half.
Aubameyang added a third, allowing Dortmund to celebrate a much-needed win and lift them off the foot of the table and above their hosts.
Bayern Munich maintained an eight-point advantage at the top while sending Stuttgart to the bottom of the pile with a 2-0 win at the Mercedes-Benz Arena.
After struggling for much of the first half, Bayern gained the lead with their first shot of the game as Arjen Robben netted his 12th of the season just before the interval.
David Alaba curled in an eye-catching second early in the second half with Bayern's lead and first win of 2015 never looking in any doubt afterwards.
Debutant Andre Schurrle inspired Wolfsburg to a 3-0 win over Hoffenheim as the Wolves kept up the chase of Bayern.
The new recruit from Chelsea set up Bas Dost and Kevin De Bruyne to give Wolfsburg a commanding lead to take with them into the interval.
Hoffenheim tried to mount a recovery in the second half, but Wolfsburg's lead never really looked in any danger before De Bruyne added a third as the Wolves made it seven points from the first week of 2015, keeping them within eight of the summit.
Pal Dardai celebrated a winning start to life as coach of Hertha Berlin as they picked up their first points of 2015 at Mainz.
Jens Hegeler put them in front from the penalty spot after Loris Karius was given his marching orders.
Roy Beerens added a second before the interval, although the Old Lady were also reduced to 10 men in the second half when Fabian Lustenberger saw his second yellow card.
Dardai's men nevertheless held on to win 2-0 and move out of the bottom three.
Paderborn stalled their slide towards the bottom three as they picked up a point from their trip to Cologne on Saturday.
In a game of few chances, there were no goals as Cologne were held to a 0-0 draw at home for the fifth time this season, and their second in three days.
The result keeps Cologne in mid-table, but Paderborn are now on the brink of the relegation zone.
Hamburg made it two wins in a row to pull away from immediate relegation danger by beating Hannover 2-1.
An own goal from Marcelo and a Marcell Jansen strike gave the hosts victory, although they were lucky to come away with all three points, with Hannover the better side for long spells.
All the visitors, who missed a penalty, had to show for their efforts was an Artur Sobiech consolation.