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.
2000167231 · Contracted to Botev Plovdiv
Mario Kolev is a 38 year old Coach (U19 Team) from Bulgaria.
They are currently contracted to Profesionalen Futbolen Klub Botev Plovdiv earning £300 per week.