Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2017 |  | Jorge Corrales | DF |  | FC Tulsa | FC Tulsa |
| 08/2017 |  | Richard Sánchez | GK | |||
| 08/2017 |  | Christian Dean | DF |  | Vancouver Whitecaps | Vancouver |
| 03/2017 |  | Bastian Schweinsteiger | MF |  | Manchester United | Man Utd |
| 03/2017 |  | Raphaël Fèvre | AT-C | |||
| 02/2017 |  | Matej Deković | DF | |||
| 02/2017 | | Brandt Bronico | MF |  | Chicago Fire (Preseason) | Chicago Fire (Preseason) |
| 02/2017 | | Eric Gehrig | AS-CO | |||
| 01/2017 | | Stefan Cleveland | GK | | FC Tulsa | FC Tulsa |
| 01/2017 | | Daniel Johnson | MF | |||
| 01/2017 | | Djordje Mihailovic | MF | | Chicago Fire (Preseason) | Chicago Fire (Preseason) |
| 01/2017 | | Dax McCarty | MF |  | New York RB | New York RB |
| 01/2017 |  | Jorge Bava | GK | |||
| 01/2017 |  | Nenad Babic | AS-CO | |||
| 01/2017 |  | Juninho | MF |  | Club Tijuana | Club Tijuana |
| 01/2017 |  | Nemanja Nikolić | FW |  | Legia Warszawa | Legia |
| 01/2017 | | Steven Purcell | AT-C | |||
| 01/2017 | | Reade Whitney | AT-C | |||
| 01/2017 | | Ryan Perry | RE-C |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2017 | | Logan Pause | AS-CO |  | Orange County SC | Orange County |
| 01/2017 | | Sean Johnson | GK |  | New York City FC | NY City FC |
| 01/2017 | | Rodrigo Ramos | DF |  | Coritiba - PR | Coritiba FC |
| 01/2017 | | Alex Morrell | MF |  | Tampa Bay Rowdies | Tampa Bay |
| 01/2017 |  | Khaly Thiam | MF |  | MTK Budapest | MTK Budapest |