Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1998 |  | Tom Soehn | DF |  | FC Dallas | FC Dallas |
| 07/1998 | | Michael Richardson | DF | |||
| 07/1998 | | Josh Keller | MF |  | Tampa Bay Mutiny | Tampa Bay Mutin |
| 04/1998 |  | Jorge Campos | GK |  | Pumas UNAM | Pumas UNAM |
| 04/1998 | | Scott Coufal | GK | |||
| 04/1998 |  | Jerzy Podbrożny | FW |  | CD Toledo | CD Toledo |
| 01/1998 | | Zach Thornton | GK |  | New York RB | New York RB |
| 01/1998 | | C.J. Brown | DF | |||
| 01/1998 | | Ritchie Kotschau | DF | |||
| 01/1998 |  | Luboš Kubík | DF |  | AFK Atlantic Lázně Bohdaneč | AFK Atlantic Lázně Bohdaneč |
| 01/1998 | | Andrew Lewis | DF | | New York RB | New York RB |
| 01/1998 |  | Francis Okaroh | DF |  | New England Revolution | New Engl. |
| 01/1998 | | Chris Armas | MF |  | Los Angeles Galaxy | L.A. Galaxy |
| 01/1998 |  | Diego Gutierrez | MF | |||
| 01/1998 | | Manny Lagos | MF | | New York RB | New York RB |
| 01/1998 | | Jesse Marsch | MF |  | D.C. United | DC United |
| 01/1998 | | Piotr Nowak | MF |  | 1860 Munich | 1860 Munich |
| 01/1998 | | Frank Klopas | FW |  | Sporting Kansas City | Kansas City |
| 01/1998 | | Roman Kosecki | FW |  | Legia Warszawa | Legia |
| 01/1998 | | Tony Kuhn | FW | |||
| 01/1998 | | Ante Razov | FW | | Los Angeles Galaxy | L.A. Galaxy |
| 01/1998 | | Josh Wolff | FW | |||
| 01/1998 |  | Denis Hamlett | AS-CO | |||
| 01/1998 | | Mike Jeffries | AS-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/1998 | | Jorge Campos | GK | | Pumas UNAM | Pumas UNAM |
| 07/1998 | | Brian Bates | DF | | FC Dallas | FC Dallas |
| 06/1998 | | Jorge Salcedo | MF | | Tampa Bay Mutiny | Tampa Bay Mutin |