_Players In:_
1. Cole Palmer (Attacking Midfielder) – Signed from Manchester City
2. Marc Guiu (Central Midfielder) – Signed from Barcelona
3. Nicolas Jackson (Striker) – Signed from Villarreal
4. Christopher Nkunku (Right Winger) – Signed from RB Leipzig
5. Axel Disasi (Center-back) – Signed from Monaco
6. Tosin Adarabioyo (Center-back) – Signed from Fulham
7. Robert Sánchez (Goalkeeper) – Signed from Brighton
8. Kiernan Dewsbury-Hall (Central Midfielder) – Signed from Leicester City
9. Carney Chukwuemeka (Attacking Midfielder) – Signed from Aston Villa
10. Renato Viega (Left Back) – Signed from Basel
_Players Out:_
1. Romelu Lukaku (Striker) – Sold to Napoli
2. Christian Pulisic (Winger) – Sold to Juventus
3. Hakim Ziyech (Winger) – Sold to Paris Saint-Germain
4. Thiago Silva (Center-back) – Released (free agent)
5. Jorginho (Central Midfielder) – Sold to Arsenal
6. Kepa Arrizabalaga (Goalkeeper) – Sold to Valencia
Note: This list only includes players who have officially signed with Chelsea or have been officially sold or released by the club. Raheem Sterling is already a Chelsea player and has not been sold to any other club.