DFB Pokal · Midfielder · #7 · Korea Republic · 36 yrs
| Date | Type | From | To |
|---|---|---|---|
| 2022-03-04 | Free |  Al-Khor KHO |  Jeju United FC JEJ |
| 2021-08-14 | Free |  Al-Gharafa GHA | Al-Khor KHO |
| 2019-08-03 | N/A |  FC Augsburg AUG | Al-Gharafa GHA |
| 2015-08-31 | € 4.8M |  FSV Mainz 05 MAI | FC Augsburg AUG |
| 2014-01-18 | € 3M |  VfL Wolfsburg WOL | FSV Mainz 05 MAI |
| 2012-01-31 | Loan | VfL Wolfsburg WOL | FC Augsburg AUG |
| 2011-01-31 | € 2M | Jeju United FC JEJ | VfL Wolfsburg WOL |