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.
96149436 · Contracted to GKS Tychy
Sebastian Idczak is a 42 year old Assistant Manager (U19 Team) from Poland.
They are currently contracted to Górniczy Klub Sportowy Tychy earning £128 per week.