Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 |  | Ronaldo Peña | FW |  | Caracas FC | Caracas FC |
| 06/2018 |  | Omar Ontiveros | DF | |||
| 06/2018 | | Manny Padilla | DF | |||
| 06/2018 | | Todd Wharton | MF | |||
| 06/2018 |  | Matías Zaldivar | MF | |||
| 06/2018 |  | Jesus Enriquez | FW | |||
| 06/2018 |  | Jhon Montaño | FW | |||
| 06/2018 | | Aldo Quintanilla | FW | |||
| 05/2018 | | Conor Donovan | DF | |||
| 04/2018 |  | Adam Lundkvist | DF |  | IF Elfsborg | IF Elfsborg |
| 04/2018 | | Luis Gil | MF |  | Gallos Blancos | Querétaro |
| 03/2018 | | Jared Watts | DF |  | Colorado Rapids | Colorado Rapids |
| 02/2018 | | Mac Steeves | FW |  | Rio Grande Valley FC | RGV FC |
| 01/2018 |  | Darwin Cerén | MF |  | San Jose Earthquakes | Earthquakes |
| 01/2018 | | Michael Nelson | GK |  | MLS PC Nemeziz | MLS PC Nemeziz |
| 01/2018 | | Alejandro Fuenmayor | DF |  | Carabobo FC | Carabobo FC |
| 01/2018 | | Chris Seitz | GK |  | FC Dallas | FC Dallas |
| 01/2018 | | Arturo Álvarez | MF |  | Chicago Fire | Chicago Fire |
| 01/2018 | | Nathan Hironymous | RE-C | |||
| 01/2018 | | Martha Carvajal | MEN-C |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 | | Devin Benton | DF |  | Brazos Valley Cavalry | BV Cavalry |
| 06/2018 | | Michael Nelson | GK | | Rio Grande Valley FC | RGV FC |
| 01/2018 | | Érick Torres | FW |  | Pumas UNAM | Pumas UNAM |
| 01/2018 | | Eric Bird | MF | | Rio Grande Valley FC | RGV FC |
| 01/2018 |  | José Escalante | MF |  | CD Olimpia | CD Olimpia |
| 01/2018 | | Memo Rodríguez | MF | | Rio Grande Valley FC | RGV FC |