Sung-Yueng Ki, a 37-year-old South Korean midfielder, plays for FC Seoul. He previously featured for Newcastle United, Celtic and Swansea City, and was a senior international for South Korea.
| Surname | Ki |
| Name | Sung-Yueng |
| Native Name | 기성용 |
| Nationality | South Korea |
| Birthplace | Gwangju, South Korea |
| Birth Date | 24 January 1989 |
| Age | 37 years old |
| Position | Midfielder |
| Height | 1.87 m |
| Weight | 75 kg |
| AKA | Ki Sung-Yong |
FC Seoul (2020–)
Mallorca
Newcastle United
Swansea City
Sunderland
Swansea City
Celtic
FC Seoul
South Korea National Team
South Korea Olympic Team
South Korea Youth Teams