Greek Super League leaders Olympiakos Piraeus set a club record 17 successive league wins by beating Levadiakos 3-1 at the Georgios Karaiskakis stadium on Sunday.
Jose Mourinho suffered a nightmare homecoming as Porto, the club he led to the Champions League title in 2004, inflicted a 2-1 defeat on his woefully out-of-sorts Chelsea side in Group G on Tuesday.
A summary of all the Champions League matches played across Europe 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.