Athletic Club
| Player | Position | Value (M€) | Year | Contract |
|---|---|---|---|---|
  Unai Simón | 1. Goalkeeper | 32 | 1997 | 2025 |
 Nico Williams | 8. Right Winger | 23 | 2002 | 2024 |
  Iñaki Williams | 9. Forward | 23 | 1994 | 2028 |
 Oihan Sancet | 7. Attacking Midfielder | 20 | 2000 | 2032 |
 Iker Muniain | 8. Left Winger | 18 | 1992 | 2024 |
 Unai Vencedor | 6. Central Midfielder | 13 | 2000 | 2027 |
 Ander Herrera | 6. Central Midfielder | 8 | 1989 | 2024 |
 Álex Berenguer | 8. Left Winger | 6.5 | 1995 | 2024 |
 Yeray Álvarez | 4. Centre back | 6 | 1995 | 2026 |
 Julen Agirrezabala | 1. Goalkeeper | 6 | 2000 | 2025 |
 Dani Vivian | 4. Centre back | 4 | 1999 | 2026 |
 Jon Morcillo | 8. Left Winger | 3.5 | 1998 | 2024 |
 Dani García | 6. Central Midfielder | 3 | 1990 | 2024 |
 Mikel Vesga | 5. Defensive Midfielder | 3 | 1993 | 2024 |
 Iñigo Ruiz de Galarreta | 6. Central Midfielder | 2.5 | 1993 | 2025 |
 Asier Villalibre | 9. Forward | 2.5 | 1997 | 2025 |
 Iñigo Lekue | 2. Right back | 2.5 | 1993 | 2025 |
 Raúl García | 9. Forward | 2 | 1986 | 2024 |
 Yuri Berchiche | 3. Left back | 1.5 | 1990 | 2024 |
 Óscar de Marcos | 2. Right back | 1 | 1989 | 2024 |
 Gorka Guruzeta | 9. Forward | 0.8 | 1996 | 2024 |