Those who submit STAFF changes, please provide an official source that shows the transfer/release. Transfermarkt isn't always trustworthy when it comes to staff.
2000273533 · Plays for Real Avilés
Miguel Sierra is a 19 year old professional footballer from Spain playing as AM RLC.
He is currently contracted to Real Avilés Club de Fútbol Sociedad Anónima Deportiva until 30-Jun-2025 earning £264 per week .
Potential: Can Polish Skills