| MD | Players | Clubs | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 29-Aug-2021 |  Gavi | Barcelona | Spain | 05-Aug-2004 | 17(24) |
| 17-Sep-2021 |  Alvaro Bastida | Cadiz CF | Spain | 12-May-2004 | 17(128) |
| 07-May-2022 |  Tomas Mendes | CD Alaves | Spain | 21-Nov-2004 | 17(167) |
| 19-Jan-2022 |  Cristian Mosquera | Valencia | Spain | 27-Jun-2004 | 17(206) |
| 20-Nov-2021 | Ilias Akhomach | Barcelona | Spain | 16-Apr-2004 | 17(218) |
| 22-May-2022 |  Luca Koleosho | Espanyol | Canada | 15-Sep-2004 | 17(249) |
| 15-May-2022 |  Alejandro Primo | Levante | Spain | 10-Jul-2004 | 17(309) |
| 19-Apr-2022 | Jesus Santiago | Valencia | Spain | 25-May-2004 | 17(329) |
| 17-Dec-2021 |  Hugo Sotelo | Celta Vigo | Spain | 19-Dec-2003 | 17(364) |
| 21-Aug-2021 | Yusuf Demir | Barcelona | Austria | 02-Jun-2003 | 18(81) |
| 14-May-2022 | Mario Dominguez | Valencia | Spain | 10-Feb-2004 | 18(94) |
| 25-Oct-2021 | Hugo Alvarez | Celta Vigo | Spain | 02-Jul-2003 | 18(116) |
| 21-Dec-2021 |  Juanlu Sanchez | Sevilla | Spain | 15-Aug-2003 | 18(129) |
| 02-Jan-2022 | Estanislau Pedrola | Barcelona | Spain | 24-Aug-2003 | 18(132) |
| 20-Dec-2021 | Marc Pubill | Levante | Spain | 20-Jun-2003 | 18(184) |
| 20-Sep-2021 | Alejandro Balde | Barcelona | Spain | 18-Mar-2003 | 18(187) |
| 11-Sep-2021 |  Nico Serrano | Athletic Bilbao | Spain | 05-Mar-2003 | 18(191) |
| 15-Aug-2021 | Pedri | Barcelona | Spain | 25-Nov-2002 | 18(264) |
| 25-Sep-2021 | Jesus Vazquez | Valencia | Mexico | 02-Jan-2003 | 18(267) |
| 27-Aug-2021 | Yunus Musah | Valencia | United States | 29-Nov-2002 | 18(272) |
| 20-Dec-2021 | Ruben Iranzo | Valencia | Spain | 14-Mar-2003 | 18(282) |
| 16-Aug-2021 |  Yeremi Pino | Villarreal | Spain | 20-Oct-2002 | 18(301) |
| 12-Sep-2021 |  Eduardo Camavinga | Real Madrid | France | 10-Nov-2002 | 18(307) |
| 26-Sep-2021 | Ansu Fati | Barcelona | Spain | 31-Oct-2002 | 18(331) |
MD = Match date,
DOB = Date Of Birth,
A(D) = Age(Days).