Will we see some international stars? Will it mainly be youngsters? Will it be a mix of both?
We asked Chelsea journalist Sam Inkersole, who covers the club for football.london, for his expert opinion.
The Champions League winners are in action tonight against Spurs in the Carabao Cup semi-final so some selections may depend on what happens this evening, but this is his predicted line-up as things stand...
9. Saul Niguez - CM
Signed on loan from Atletico Madrid last summer. Chelsea have an option to buy him at the end of the season as part of the loan deal. During his time at Atletico he made 340 appearances, scoring 43 goals, and has won La Liga, the Europa League twice, the Copa del Rey, and the Spanish and UEFA Super Cups. The 27-year-old has 19 caps for Spain. He has struggled to make an impact, managing just 14 appearances overall, including just five in the Premier League. Photo: Mike Hewitt
10. Harvey Vale - FW
The England under-19 international has been at Chelsea since he was 12. The highly-rated youngster started up front in the win against Brentford in the Carabao Cup quarter-final last month. Photo: Catherine Ivill
11. Jude Soonsup-Bell - FW
Joined Chelse aged 12. The 17-year-old scored four goals for Chelsea in a Youth Cup game against Barnsley this season. Signed his first professional contract in January 2021 after scoring 16 goals in 12 academy games. Finished last season with 19 goals in 27 matches. Started up front against Brentford in the Carbao Cup quarter-final win last month. Photo: Clive Rose