Pep Guardiola is unsure what to expect when Bayern Munich face CSKA Moscow behind closed doors on Tuesday and inisists his side must respect the Russians.
The German champions will do battle in an empty Arena Khimki - no supporters will be in attendance as CSKA were sanctioned by Uefa in February after fans displayed "a range of racist and far-right symbols" in a Champions League match with Viktoria Plzen last December.
