Brentford re-take the lead at Griffin Park. Harry Forrester penalty after 72 minutes.
The young Brazilian levels the score after 55 minutes.
Juan Mata replaces Marko Marin for Chelsea as second half gets underway at Brentford.
League One Brentfrod FC lead European Champions Chelsea at half-time. And deservedly so.
It has been coming. Marcello Trotta scores in the 42 minute. The Bees are buzzing.
The sun is out at Griffin Park. And so are the teams.
First meeting between these two west London sides in 63 years gets underway. Chelsea captain John Terry starts for the first time since November.
Brentford chairman Greg Dyke says it's their biggest crowd in 30 years.
Brentford team (vs Chelsea): Moore, Hodson, Craig, Dean, Logan, Forshaw, Douglas Diagouraga, Donaldson, Trotta, Forrester