| K League 1 2019 Relegation - Appearances as Assistant | ||||
| 27/10/2019 | Incheon United | - | Suwon Bluewings | 1:1 |
| 30/11/2019 | Sangju Sangmu | - | Suwon Bluewings | 4:1 |
| K League 1 2019 Relegation - Appearances as Assistant | ||||
| 27/10/2019 | Incheon United | - | Suwon Bluewings | 1:1 |
| 30/11/2019 | Sangju Sangmu | - | Suwon Bluewings | 4:1 |
| Complete name: | Jae-yong Yang |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |