Jose Mourinho's side top Group G with a maximum nine points, three clear of second-placed Slavia.
Arsenal will put one of the best Champions League records on the line when they face Olympiakos Piraeus in a showdown for second spot in Group F on Wednesday.
A summary of Saturday night's matches in the Euro 2020 qualifiers.
Germany scored five times in 27 minutes in the first half to crush Estonia 8-0 and make it three wins in three Euro 2020 Group C qualifiers.
News of all that's transpired on and off the football field
Barcelona must to wait to confirm a place in the Champions League last 16 after dropping points for the first time in Group D in an absorbing 0-0 draw at Olympiakos Piraeus on Tuesday.
Jose Mourinho's Chelsea turned from domestic whipping boys back to European stalwarts on Wednesday, beating his former club Porto 2-0 to top Champions League Group G.