Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/2004 |  | Jang-soo Lee | MA |  | Jeonnam Dragons | Jeonnam Dragons |
| 08/2004 |  | Fumagalli | MF |  | Marília - SP | Marilia AC |
| 01/2004 | | Chi-gon Kim | DF | |||
| 01/2004 | | Dong-jin Kim | DF | |||
| 01/2004 | | Jung-youl Lee | DF | |||
| 01/2004 | | Yo-Seb Park | DF | |||
| 01/2004 | | Tae-You Han | MF | |||
| 01/2004 | | Eun-jung Kim | FW |  | Vegalta Sendai | Vegalta Sendai |
| 01/2004 | | Seung-yong Kim | FW | |||
| 01/2004 | | Jun-Young Lee | FW | |||
| 01/2004 | | Won-Shik Lee | FW |  | Jeju SK FC | Jeju SK FC |
| 01/2004 | | Renaldo | FW |  | Paraná Clube | Paraná Clube |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2004 | | Jung-soo Lee | DF |  | Incheon United | Incheon United |
| 07/2004 | | Eul-yong Lee | MF |  | Trabzonspor | Trabzon |
| 07/2004 | | Renaldo | FW |  | Palmeiras | Palmeiras |
| 01/2004 | | Sang-Hun Lee | DF | | Incheon United | Incheon United |
| 01/2004 |  | Masakiyo Maezono | MF | | Incheon United | Incheon United |
| 01/2004 |  | Dragan Stojisaljević | MF | | Incheon United | Incheon United |
| 01/2004 | | Agnaldo | FW |  | Portuguesa - SP | Portuguesa |
| 01/2004 | | Tae-uk Choi | FW | | Incheon United | Incheon United |