Follow Mail Sport's live blog for the latest score, team news and updates as Chelsea host Aston Villa in the fourth round of the FA Cup plus get updates from Nottingham Forest's trip to Bristol City.
11:48, 2'
Chelsea 0-0 Aston Villa
It's an early chance for Conor Gallagher as he gets in behind Villa's four-man defence but can't fashion an attempt on goal. That's an early warning sign for the visitors who appear to be playing a 4-4-2 formation.
11:45
KICK OFF: Chelsea 0-0 Aston Villa
We're underway at Stamford Bridge.