All materials contained on this site are protected by Korean copyright law and may not be reproduced, distributed, transmitted, displayed, published or broadcast without the prior consent of the JoongAng Ilbo | Tel: 1577-0510
JoongAng Ilbo Co., Ltd. | Address: 48-6 Sangamsan-ro, Mapo-gu, Seoul, Republic of Korea
Business registration number: 110-81-00999 | CEO & Publisher: Park Chang-hee | Executive Editor: Choi Ji-young
Mail order business report number: 2020-Seoul Mapo-3838 | Online newspaper registration No: 서울,아55177
Date of Registration: 2023. 11. 21 | Juvenile Protection Manager: Chun Young-sun
![Koo Ja-cheol poses during his retirement press conference at the KFA House in central Seoul on Jan. 14. [YONHAP]](https://image.koreajoongangdaily.com/12117749.jpg?imageId=12117749&width=240&height=184&format=webp&format=jpg)
![Koo Ja-cheol announces his retirement from Jeju SK FC at KFA headquarters in Jongno District, central Seoul, on Jan. 14. [NEWS1]](https://image.koreajoongangdaily.com/10639605.jpg?imageId=10639605&width=240&height=184&format=webp&format=jpg)
![Jeju United announced on Tuesday that Koo Ja-cheol will be joining the K League club this season. [JEJU UNITED/YONHAP]](https://image.koreajoongangdaily.com/11046980.jpg?imageId=11046980&width=240&height=184&format=webp&format=jpg)