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.
96047176 · Contracted to MKS Kluczbork
Piotr Grzyb is a 40 year old Head of Youth Development from Poland.
They are currently contracted to Miejski Klub Sportowy w Kluczborku earning £158 per week.