| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 21-Dec-2018 | Ander Barrenetxea | Spain | 27-Dec-2001 | 16(359) |
| 25-Oct-2015 | Mikel Oyarzabal | Spain | 21-Apr-1997 | 18(187) |
| 14-Aug-2022 | Mohamed-Ali Cho | France | 19-Jan-2004 | 18(208) |
| 29-Oct-2011 | Ruben Pardo | Spain | 22-Oct-1992 | 19(6) |
| 13-May-2016 | Igor Zubeldia | Spain | 30-Mar-1997 | 19(44) |
| 22-Oct-2022 | Pablo Marin | Spain | 03-Jul-2003 | 19(111) |
| 28-Aug-2021 | Robert Navarro | Spain | 12-Apr-2002 | 19(138) |
| 29-Aug-2010 | Antoine Griezmann | France | 21-Mar-1991 | 19(161) |
| 29-Jun-2020 | Jon Pacheco | Spain | 08-Jan-2001 | 19(172) |
| 19-Sep-2021 | German Valera | Spain | 16-Mar-2002 | 19(187) |
| 26-Sep-2021 | Benat Turrientes | Spain | 31-Jan-2002 | 19(238) |
| 16-Feb-2019 | Alex Sola | Spain | 09-Jun-1999 | 19(252) |
| 21-Aug-2016 | David Concha | Spain | 20-Nov-1996 | 19(274) |
| 01-May-2015 | Eneko Capilla | Spain | 13-Jun-1995 | 19(322) |
| 25-Aug-2019 | Alexander Isak | Sweden | 21-Sep-1999 | 19(338) |
| 14-Aug-2022 | Jon Karrikaburu | Spain | 09-Sep-2002 | 19(339) |
| 11-Apr-2021 | Urko Gonzalaz | Spain | 20-Mar-2001 | 20(22) |
| 18-Jun-2020 | Roberto Lopez | Spain | 24-Apr-2000 | 20(55) |
| 28-Apr-2019 | Martin Zubimendi | Spain | 02-Feb-1999 | 20(85) |
| 25-Aug-2023 | Arsen Zakharyan | Russia | 26-May-2003 | 20(91) |
| 27-Aug-2011 | Inigo Martinez | Spain | 17-May-1991 | 20(102) |
| 29-Jun-2020 | Nais Djouahra | France | 23-Nov-1999 | 20(219) |
| 17-Aug-2019 | Martin Odegaard | Norway | 17-Dec-1998 | 20(243) |
| 20-Dec-2014 | Iker Hernandez | Spain | 08-Apr-1994 | 20(256) |
| 17-Jan-2015 | Artiz Elustondo | Spain | 28-Mar-1994 | 20(295) |
| 24-Apr-2016 | Jon Bautista | Spain | 03-Jul-1995 | 20(296) |
| 22-Aug-2015 | Bruma | Portugal | 24-Oct-1994 | 20(302) |
| 18-Aug-2018 | Theo Hernandez | France | 06-Oct-1997 | 20(316) |
| 23-Jan-2011 | Asier Illarramendi | Spain | 08-Mar-1990 | 20(321) |
| 15-Aug-2021 | Julen Lobete | Spain | 18-Sep-2000 | 20(331) |
| 16-Jan-2017 | Alvaro Odriozola | Spain | 14-Dec-1995 | 21(34) |
| 19-Apr-2014 | Pablo Hervias | Spain | 08-Mar-1993 | 21(42) |
| 21-Sep-2017 | Andoni Gorosabel | Spain | 04-Aug-1996 | 21(48) |
MD = Match date,
DOB = Date Of Birth,
A(D) = Age(Days).