David Luiz went into the Brentford dressing room to apologise to Jake Reeves for late incidentFrom @RobHarris on Twitter:
Brentford boss Uwe Rosler tells ITV that his team gave everything they could against Chelsea.
FT - Chelsea 4-0 Brentford
Time gentlemen please - four second-half goals gives Chelsea their third straight win in all competitions and a place in the Fifth Round away to Middlesbrough. Good performance from Brentford but in the end Chelsea's millionaires showed the requisite quality to come through.
David Luiz inflicts some pain on Jake Reeves, but only receives a booking.
Chelsea are coasting through this last four minutes of added time. Impressive second half display from the Cupholders in truth.
John Terry gets space at the back post, and heads home.