Chelsea bring on Raheem Sterling, Mason Mount, Conor Gallagher and Cesar Azpilicueta.
Four players come off...
Those three substitutions have given Derby a problem.
There already seems more focus to the Liverpool attack and Harvey Elliott has tried to whip the Kop up.
Derby will have to cut out the unforced errors if they are to take this to spot-kicks.
Fine run from Jack Grealish, who just glides into the box and has a shot blocked.
Kieran Trippier slides it through to Miguel Almiron but his effort is saved by Sam Johnstone.