Bayern Munich carved out a 1-0 win at CSKA Moscow on Tuesday thanks to Thomas Mueller's first-half penalty in the strangely muted atmosphere of a cold, damp and deserted Khimki Arena.
An under-strength Barcelona got their Champions League campaign off to a solid if unspectacular start when Gerard Pique's header secured a laboured 1-0 win at home to APOEL in their Group F opener on Wednesday.