South Korea•MF•34 yearsSung-Dong Baek is a 34-year-old South Korean midfielder currently playing for Pohang Steelers. He has also played for Júbilo Iwata, Sagan Tosu and V-Varen Nagasaki, and represented South Korea at international level.
| Surname | Baek |
| Name | Sung-Dong |
| Native Name | 백성동 |
| Nationality | South Korea |
| Birthplace | Gwangju, South Korea |
| Birth Date | 13 August 1991 |
| Age | 34 years old |
| Position | Midfielder |
| Height | 1.71 m |
| Weight | 66 kg |
| AKA | Baek Sung-Dong |
Pohang Steelers (2023–)FC AnyangGyeongnam FCSuwon FC
Sagan TosuV-Varen NagasakiSagan TosuJúbilo Iwata South Korea National Team South Korea Olympic Team South Korea Youth Teams