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...
5. Malang Sarr - CB
The 22-year-old French defender joined the club last August after previously being at Nice. This season he has made three appearances in the Carabao Cup, one in the Champions League and one in the Premier League. Photo: James Chance
6. Lewis Hall - LWB
The left-sided player has been been at Chelsea since he was seven. He has represented England at under-17 level. He has made two appearances in the EFL Trophy this season. Photo: Catherine Ivill
7. Lewis Baker - CM
The 26-year-old has been at Chelsea since he was nine. He has had several loan spells in that time including at Sheffield Wednesday, MK Dons, Vitesse, Middlesbrough, Reading and Leeds United. He has made three appearances in the EFL Trophy this campaign. Photo: Alex Burstow
8. Ross Barkley - CM
Signed from Everton for £15m in January 2018. Went on loan to Aston Villa last season. The 28-year-old has 33 England caps. Five appearances in the Premier League, three in the Champions League and three in the Carabao Cup this season. Photo: Alex Pantling