A. Baba transfers
| Date | Type | From | To |
|---|---|---|---|
| 2023-07-11 | Free |  Chelsea CHE |  PAOK PAO |
| 2022-08-31 | Loan | Chelsea CHE |  Reading REA |
| 2022-07-01 | N/A | Reading REA | Chelsea CHE |
| 2021-08-27 | Loan | Chelsea CHE | Reading REA |
| 2021-07-01 | N/A | PAOK PAO | Chelsea CHE |
| 2021-02-01 | Loan | Chelsea CHE | PAOK PAO |
| 2019-09-02 | Loan | Chelsea CHE |  Mallorca MAL |
| 2019-01-30 | Loan | Chelsea CHE |  Reims REI |
| 2018-01-29 | Loan | Chelsea CHE |  FC Schalke 04 SCH |
| 2017-07-01 | N/A | FC Schalke 04 SCH | Chelsea CHE |
| 2016-08-02 | Loan | Chelsea CHE | FC Schalke 04 SCH |
| 2015-08-16 | € 20M |  FC Augsburg AUG | Chelsea CHE |
| 2014-08-12 | € 2.5M |  SpVgg Greuther Fürth GRE | FC Augsburg AUG |