Other arrivals include Joao Felix on loan from Atletico Madrid, £88m Mykhailo Mudryk and £35m Benoit Badiashile.

Source: https://dailypost.ng/2023/02/01/epl-chelsea-to-remove-one-of-felix-mudryk-enzo-fernandez-from-champions-league-squad/

Potter was probably unwise wise to omit Badiashile from the squad, but the decision felt inevitable and was perhaps made above his head: more expensive and glamorous options were always likelier to get the nod.

Source: https://www.independent.co.uk/sport/football/chelsea-real-madrid-champions-league-boehly-b2321330.html

Reece James, Armando Broja, Wesley Fofana, Marcus Bettinelli, Trevoh Chalobah and Benoit Badiashile are also out.

Source: https://www.express.co.uk/sport/football/1805852/FPL-injury-news-Man-Utd-Chelsea-Arsenal-Gabriel-Jesus

They have already spent £35m on defender Benoit Badiashile this month, as well as paying around £15m to take until the end of the season, and there are suggestions they still want more players.

Source: https://metro.co.uk/2023/01/16/jose-mourinho-aims-little-dig-at-chelsea-over-mykhailo-mudryk-transfer-18106229/

They signed Fofana for €80.4 Million, Badiashile and Koulibaly each for €38 Million.

Source: https://www.ghanamma.com/ke/2023/01/12/best-xi-players-signed-by-chelsea-in-the-2022-2023-season-and-their-transfer-fees/