Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/1998 |  | Thomas Rongen | MA | |||
| 09/1998 |  | Danny Care | MF | |||
| 07/1998 | | Judah Cooks | MF | |||
| 04/1998 | | Roy Lassiter | FW |  | Tampa Bay Mutiny | Tampa Bay Mutin |
| 03/1998 | | Mike Slivinski | MF | |||
| 03/1998 | | Lyle Yorks | MF | |||
| 02/1998 |  | Jaime Moreno | FW |  | Middlesbrough FC | Middlesbrough |
| 02/1998 |  | Geoff Aunger | MF |  | Stockport County | Stockport County |
| 01/1998 | | Curt Onalfo | DF |  | San Jose Earthquakes | Earthquakes |
| 01/1998 | | Carey Talley | DF | |||
| 01/1998 | | Ben Olsen | MF | |||
| 01/1998 | | Anthony Wood | FW |  | Columbus Crew | Columbus Crew |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1998 | | Clint Peay | DF |  | Charleston Battery | Charleston Battery |
| 04/1998 | | Roy Wegerle | FW | | Tampa Bay Mutiny | Tampa Bay Mutin |
| 01/1998 |  | Ben Iroha | DF |  | Elche CF | Elche CF |
| 01/1998 | | Kris Kelderman | DF |  | Miami Fusion | Miami Fusion |
| 01/1998 | | Jesse Marsch | MF |  | Chicago Fire | Chicago Fire |
| 01/1998 | | David Vaudreuil | MF | | Miami Fusion | Miami Fusion |
| 01/1998 |  | Raúl Díaz Arce | FW |  | New England Revolution | New Engl. |
| 01/1998 | | Johnny Maessner | FW | | Miami Fusion | Miami Fusion |