Chelsea's Fernando Torres is out until after the international break with a knee injury suffered at Steaua Bucharest.
Juan Mata pledged to keep trying to go from strength to strength after returning to the Chelsea team against Steaua.
Chelsea beat Steaua Bucharest but did Juan Mata's great game spell trouble for Oscar?
Jose Mourinho predicted Chelsea would go on to reach the knockout stages after beating Steaua Bucharest 4-0.
Chelsea bounced back from defeat in their opening Champions League group game to beat Steaua Bucharest 4-0 in Romania.
Juan Mata and Andre Schurrle talk to Sky Sports after beating Steaua Bucharest 4-0 away from home.
Chelsea manager Jose Mourinho said he was pleased with the way his side performed against Steaua Bucharest.
Chelsea midfielder Frank Lampard has vowed they will not take Steaua Bucharest lightly in the Champions League.
Jose Mourinho walked out of his press conference ahead of Chelsea's Champions League clash with Steaua Bucharest.