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.
5701191 · Contracted to Jeonbuk Hyundai Motors
Choi Eun-Sung is a 53 year old Goalkeeping Coach from South Korea.
They are currently contracted to Jeonbuk Hyundai Motors FC earning £1K per week.