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Basic information
- First name (and middle names): Ja-Cheol
- Last name: Koo
- Birth date: 27 February 1989 (35 years ago)
- Country: South Korea
- Height: 182 cm
- Position: midfielder
Transfers
| Player (age) | From club | To club | Date | Fee | |||
|---|---|---|---|---|---|---|---|
| Show/hide all additional info | Fees in euro (EUR) | ||||||
| 1 |  J. Koo (30) |  Augsburg | 2019, Aug | ||||
| 2 | J. Koo (26) |  Mainz | Augsburg | 2015, Aug | 5 000 000 | ||
| 3 | J. Koo (24) |  Wolfsburg | Mainz | 2014, Jan | 5 000 000 | ||
| 4 | J. Koo (24) | Augsburg | Wolfsburg | 2013, Jun | |||
| 5 | J. Koo (22) | Wolfsburg | Augsburg | 2012, Jan | 130 000 | ||
| 6 | J. Koo (21) | Wolfsburg | 2011, Jan | 2 000 000 | |||
| 7 | J. Koo (17) | 2007, Jan | |||||