Chelsea manager Jose Mourinho believes his side can upset the odds and reach the Champions League semis. But he admits PSG's approach could play a part.

Chelsea will need to produce a famous European performance tonight if they are to reach the semi-finals of the Champions League.

Their French opponents travel to Stamford Bridge tonight as the favourites to progress to the last four after their 3 - 1 quarter final first leg win last week.

But the Blues boss is unsure whether PSG will attack or sit back on their lead...