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.
2000334567 · Contracted to Wisła Kraków
Grzegorz Pietrzyk is a 38 year old Physio (U19 Team) from Poland.
They are currently contracted to Wisła Kraków earning £120 per week.