The Blues legend led his Rams side to victory over Manchester United in round three, setting up this showdown at Stamford Bridge.
But Maurizio Sarri has tremendous strength in depth and will be confident of sweeping aside the in-form Championship side.
Chelsea haven't lost a competitive game here since April and this season have looked like real Premier League title challengers.
What time is kick-off?
THIS fourth round tie is set for Wednesday, October 31.
Kick-off is at 7.45pm.
Derby last visited here in their relegation season in 2008, where they were thrashed 6-1.
Is Chelsea vs Derby on TV?
YES, this game is being shown live on Sky Sports Football and Main Event.
Tune in from 7pm to see which side progresses to the quarter-finals.
If you want to stream the action and aren't a Sky subscriber, grab a NOW TV for just £7.99.
Here on SunSport we will be running a LIVE BLOG from West London, keeping you up to date with all the goals and talking points.
What is the team news?
AFTER their superb recent performance, Chelsea are set to start Ruben Loftus-Cheek and Ross Barkley.
Eden Hazard missed the weekend win over Burnley and might be rested again with a niggling back problem.
Chelsea have given youngsters Mason Mount and Fikayo Tomori permission to play, despite the Blues' being their parent club.
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