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.
2000234733 · Contracted to GKS Katowice
Michał Chmielowski is a 48 year old Assistant Manager (U19 Team) from Poland.
They are currently contracted to Górniczy Klub Sportowy Katowice earning £157 per week.