Douglas Costa scored Bayern Munich's 400th goal in Champions League history as he put the German champions in front against Rostov on Wednesday.
Mourinho: Messi must stay at Barca
The Brazilian netted after 36 minutes in Russia, guiding the ball home after Renato Sanches' effort from a tight angle was blocked by goalkeeper Soslan Dzhanaev.
Bayern are third on the all-time Champions League goalscoring list, behind current holders Real Madrid (481) and Barcelona (447).