- 'Chicharito' ends goal drought.
- Bayern set a number of best-marks.
- Köln hit Darmstadt for six.
bundesliga.com has done some number crunching to bring you the best facts and figures from the first Matchday of the Rückrunde...
Away sides picked up five wins this weekend, the only other time that has happened this season was on Matchday 11.
Köln scored six goals in a Bundesliga game for the first time since May 1990 and scored six times on the road for the first time since May 1984.
Watch: Köln defender Frederik Sörensen discusses his side's win in Darmstadt:
RB Leipzig won their seventh home game on the bounce, a longer run than any side has managed to put together this season.
SC Freiburg have already won more games (eight) this season than they did when they were relegated in 2014/15 (seven).
Bayern have won the last eight competitive games - seven of which were in the Bundesliga. That's the club's best run so far under Carlo Ancelotti.
Watch: Arjen Robben reflects on Bayern's 2-1 victory in Bremen:
Köln have never lost any of their ten competitive games against SV Darmstadt 98 (W8 D2).
Bayern have won their last 13 games against Bremen; that's the longest winning run of any side in Bundesliga history against one opponent.
Watch: goalscorer Timo Werner reflects on Leipzig's win against Hoffenheim:
Matchday 18 brought a remarkable 31 goals, the most of any Matchday this season.
Borussia Mönchengladbach came from behind to win after a 1-0 deficit for the 100th time in their Bundesliga history.
'Chicharito' ended a 782-minute goal drought against Gladbach, a run of 11 games.
Watch: Leverkusen captain Ömer Toprak admits his side took their foot off the gas against Gladbach: