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.
96135389 · Contracted to Piast Gliwice
Grzegorz Biliński is a 34 year old Physio from Poland.
They are currently contracted to Gliwicki Klub Sportowy Piast Gliwice earning £276 per week.