Defensor B: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-01-01 | Kevin Prieto | Defensor B | Defensor SC | — |
| 2024-01-18 | Diego Abreu | Defensor B | Toluca U23 | Free |
| 2024-01-05 | Kevin Prieto | Wanderers B | Defensor B | Free |
| 2023-03-31 | Diego Abreu | Defensor B | Botafogo U20 | Loan |
| 2023-01-01 | Diego Abreu | Defensor SC U19 | Defensor B | — |
| 2019-02-07 | Joaquín Varela | Defensor B | CA Fénix | — |
| 2018-03-02 | Joaquín Varela | Defensor B | Villa Española | Loan |
| 2018-01-19 | Juninho Rocha | Defensor B | Wanderers | — |
| 2018-01-01 | Wiston Fernández | Defensor B | Boston River | Free |
| 2018-01-01 | Cristopher Fiermarín | Defensor B | Defensor SC | — |
| 2017-07-31 | Wiston Fernández | Defensor B | Boston River | Loan |
| 2017-03-01 | Juninho Rocha | Defensor B | Huracán | Loan |
| 2017-01-01 | Joaquín Varela | Defensor B | CF Pachuca U20 | Loan |
| 2016-07-01 | Joaquín Varela | Defensor SC | Defensor B | — |