Chelsea's last-four League Cup win over Liverpool was controversial, but Jose Mourinho kept his counsel on incidents involving Diego Costa.
Jose Mourinho would not be drawn on a series of contentious incidents involving Diego Costa following Chelsea's 1-0 League Cup semi-final victory over Liverpool.
Branislav Ivanovic's fierce extra-time header earned Chelsea a 2-1 aggregate win over their Premier League rivals and booked a spot in the Wembley showpiece in March.