Sporting U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-07-01 | Franco Rossano | CF América U18 | Sporting U19 | Loan |
| 2020-07-24 | David Argüelles | Sporting U19 | Sporting B | — |
| 2019-07-01 | David Argüelles | Sporting Yth. | Sporting U19 | — |
| 2018-07-01 | José Gragera | Sporting U19 | Sporting B | — |
| 2018-01-21 | Abdullah Al-Hamdan | Al-Shabab U19 | Sporting U19 | Loan |
| 2017-07-01 | José Gragera | Sporting Yth. | Sporting U19 | — |
| 2015-07-01 | Pedro Díaz | Sporting U19 | Sporting B | — |
| 2014-07-01 | Jorge Meré | Sporting U19 | Sporting B | — |
| 2013-07-01 | Jorge Meré | Sporting Yth. | Sporting U19 | — |
| 2010-07-01 | Juan Muñiz | Sporting U19 | Sporting B | — |