Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/1980 |  | Dick Advocaat | DF |  | ADO Den Haag | ADO Den Haag |
| 03/1980 | | Peter Ressel | MF |  | Telstar | Telstar |
| 01/1980 |  | Greg Ryan | ||||
| 01/1980 |  | Phil Parkes | GK |  | Vancouver Whitecaps | Vancouver |
| 01/1980 |  | Hans Henriksen | DF |  | FK Mjølner | FK Mjølner |
| 07/1979 | | Charlie Fajkus | MF |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1980 |  | Bruce Wilson | DF |  | New York Cosmos (old) | New York Cosmos (old) |
| 01/1980 |  | Luis Manuel Blanco | FW |  | Tigre | C. A. T. |
| 09/1979 | | Willem van Hanegem | MF |  | FC Utrecht | FC Utrecht |
| 08/1979 | | Dick Advocaat | DF | | ADO Den Haag | ADO Den Haag |
| 08/1979 |  | Thomas Sjöberg | MF |  | Malmö FF | Malmö FF |
| 07/1979 | | Tony Chursky | GK |  | Toronto Blizzard | Toronto Blizzard |
| 07/1979 | | Mike Mahoney | GK |  | California Surf | California Surf |
| 07/1979 |  | Horst Blankenburg | DF |  | Sporting Hasselt | Sporting Hasselt |
| 07/1979 | | Jeno Strenicer | DF |  | Rochester Lancers | Rochester Lancers |