Athletic Club Vs Atletico Madrid: Key Players To Watch Out In Copa Del Ray Semi-Final Second Leg 1. Inaki Williams (RW): Athletic Club

2. Niko Williams (RW): Athletic Club

3. De Marcos (RB): Athletic Club

4. Julen Agirrezabala (GK): Athletic Club

5. Oihan Sancet (CAM): Athletic Club

6. Alvaro Morata (ST): Atletico Madrid

7. Jan Oblak (GK): Atletico Madrid

8. Marcos Llorente (CM): Atletico Madrid

9. Rodrigo De Paul (CM): Atletico Madrid

10. Nahuel Molina (RWB): Atletico Madrid (All Images Credit - Getty Images)