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.
2000240929 · Contracted to Chojniczanka Chojnice
Michał Wirkus is a 39 year old Manager (II Team) from Poland.
They are currently contracted to Miejski Klub Sportowy Chojniczanka 1930 Chojnice.