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.
96133793 · Contracted to Zagłębie Lubin
Krzysztof Sierocki is a 34 year old Coach from Poland.
They are currently contracted to KGHM Zagłębie Lubin earning £364 per week.