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.
67180430 · Plays for Burgos
Grego Sierra is a 31 year old professional footballer from Spain playing as D C, DM.
He is currently contracted to Burgos Club de Fútbol until 30-Jun-2024 earning £3K per week .
Potential: Unlikely to Improve