Chelsea suffered a 1-0 Champions League first-leg defeat at Borussia Dortmund as Karim Adeyemi's superb second-half strike lifted the Bundesliga side to victory at Signal Iduna Park.
Kingsley Coman fired Bayern Munich to a 1-0 Champions League first-leg win at Paris St Germain.
Borussia Dortmund head coach Edin Terzic cautioned against reading too much into either side's domestic form as his high-flying Bundesliga side prepare to host Chelsea in the Champions League last 16.
Striker Max Kruse admitted that he made a mistake by moving to VfL Wolfsburg from Bundesliga side Union Berlin.
Borussia Dortmund defeated Werder Bremen over the weekend thanks to a starring role again by their substitutions in the Bundesliga.
Hertha Berlin boosted their survival prospects in the Bundesliga after coming from a goal down to thrash Borussia Monchengladbach.