CA Unión U20: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-01-01 | Tomás Lavezzi | CA Unión U20 | Unión II | — |
| 2025-01-01 | Misael Aguirre | CA Unión U20 | Unión II | — |
| 2023-01-01 | Santiago Grella | CA Unión U20 | Unión II | — |
| 2023-01-01 | Mateo Del Blanco | CA Unión U20 | Unión II | — |
| 2023-01-01 | Lionel Verde | CA Unión U20 | Unión II | — |
| 2023-01-01 | Emilio Giaccone | CA Unión U20 | Unión II | — |
| 2022-07-01 | Juan Pablo Ludueña | CA Unión U20 | Unión II | — |
| 2022-07-01 | Joaquín Mosqueira | CA Unión U20 | Unión II | — |
| 2021-01-01 | Nicolás Paz | CA Unión U20 | Unión II | — |
| 2021-01-01 | Lucas Meuli | CA Unión U20 | Unión II | — |
| 2020-10-28 | Leonel Bucca | CA Unión U20 | Unión II | — |
| 2020-01-01 | Lucas Esquivel | CA Unión U20 | Unión II | — |
| 2020-01-01 | Kevin Zenón | CA Unión U20 | Unión II | — |
| 2020-01-01 | Imanol Machuca | CA Unión U20 | Unión II | — |
| 2019-07-19 | Gastón González | CA Unión U20 | Unión II | — |
| 2018-07-01 | Ricardo Rivera | CA Unión U20 | Vilamarxant | — |
| 2016-01-01 | Nicolás Andereggen | CA Unión U20 | CA Unión II | — |
| 2015-01-01 | Marcos Peano | CA Unión U20 | Unión II | — |
| 2014-02-01 | Santiago Longo | CA Unión U20 | Belgrano U20 | — |
| 2012-07-01 | Mauro Pittón | CA Unión U20 | Unión II | — |