Chelsea boss Jose Mourinho says Costa Saint-Germain are the most aggressive side his team have played this season . Blues host French giants in Champions League last-16 second leg . Laurent Blanc also claims Chelsea have 'dirty tricks ' with Diego Costa . Chelsea have committed more fouls than PSG in the competition so far . David Luiz proved he had a ruthless streak in him in last leg in Costa . Thiago Silva , Marco Verratti and Zlatan Ibrahimovic are other danger men . CLICK HERE for all the latest Chelsea news .
Chelsea boss Jose Mourinho says Paris Saint-Germain are the most aggressive side his team have played this season . Blues host French giants in Champions League last-16 second leg . Laurent Blanc also claims Chelsea have 'dirty tricks ' with Diego Costa . Chelsea have committed more fouls than PSG in the competition so far . David Luiz proved he had a ruthless streak in him in last leg in Paris . Thiago Silva , Marco Verratti and Zlatan Ibrahimovic are other danger men . CLICK HERE for all the latest Chelsea news .