Wednesday's scrappy win in the Frank Lampard Clásico is unlikely to stop Maurizio Sarri ringing the changes on Sunday, but the Italian will no doubt have been pleased enough with what he saw.
Chelsea will be looking to keep the pressure on the Premier League's top two with a win over Crystal Palace at Stamford Bridge on Sunday afternoon.
Chelsea assistant manager Gianfranco Zola said Derby surprised the Blues in their narrow 3-2 victory in the Carabao Cup.
However some players who have not been enjoying regular topflight action, including Danny Drinkwater, Victor Moses and Gary Cahill.More news: Man-eating tiger shot dead in India after massive hunt
Sarri has left his mark on the Blues squad and has already managed to get the best out of players such as Ross Barkley and Eden Hazard.
Drinkwater, a £30 million signing from Leicester City in the summer of 2017, has not featured in any competition for Chelsea since the Community Shield in August and Sarri suggested that the England global will not be playing for him any time soon.
The 27-year old has less than two years to run on his current contract at the club and Chelsea need to make a decision before the end of the season as they may prefer to cash in on their prized asset rather than allowing him to leave on a free transfer in 2020. "They have to improve but their characteristics are a little bit different". "I have to send the message to my players that the match is the only thing that is important".
"If you look at December and January, you need to change also in the Premier League because we will play every three days in the Premier League, so we also need to change in this".More news: India factory output growth hits four-month high in October
Sarri's men have won all five of their cup games in the Europa League and the League Cup to barely put a foot wrong under the former Napoli manager.
"I have to look at all competitions - 90 minutes is 90 minutes".
"I think the rotation overall is good at the moment". It is unsafe to not have continuity, we need to improve continuity.More news: Bonfire Night 2018: fireworks displays and events in the Lancaster area