Motors Youth Club (모터스유소년클럽, 2004),
Wanju Middle School (완주중학교, 2005-2007),
Suwon Samsung Bluewings U18 (매탄고등학교, 2008-2010)
#15 Ja-ryong Koo
Jeonbuk Hyundai Motors
- Date of birth/Age: Apr 6, 1992 (32)
- Place of birth: Wanju, Jeollabuk
- Citizenship: Korea, South
- Height: 1,84 m
- Position: Centre-Back