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.
47017408 · Contracted to Nõmme Kalju
Istvan Koso is a 65 year old Head Physio from Estonia.
They are currently contracted to MTÜ Nõmme Kalju FC earning £54 per week.