Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2021 |  | Roberto Avila | FW |  | FC Edmonton | FC Edmonton |
| 05/2021 | | Elliot Panicco | GK |  | Nashville SC | Nashville SC |
| 05/2021 | | Nick Hinds | DF | | Nashville SC | Nashville SC |
| 05/2021 |  | Arshia Babazadeh | GK | |||
| 05/2021 | | Casey Walls | DF |  | San Jose Earthquakes | Earthquakes |
| 05/2021 | | Gilbert Fuentes | MF | | San Jose Earthquakes | Earthquakes |
| 04/2021 |  | Collin Fernández | MF | |||
| 04/2021 | | Emilio Ycaza | MF | |||
| 03/2021 |  | Hugo Fauroux | GK | |||
| 03/2021 | | Juan Torres | MF |  | New York City FC | NY City FC |
| 02/2021 | | Kofi Sarkodie | DF | |||
| 02/2021 |  | Stéfano Pinho | FW | |||
| 02/2021 | | Sean Okoli | FW |  | Orange County SC | Orange County |
| 02/2021 |  | Jason Johnson | FW |  | Louisville City FC | LouCity |
| 02/2021 | | Owayne Gordon | MF |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/2021 | | Elliot Panicco | GK | | Nashville SC | Nashville SC |
| 12/2021 | | Nick Hinds | DF | | Nashville SC | Nashville SC |
| 12/2021 | | Casey Walls | DF | | San Jose Earthquakes | Earthquakes |
| 12/2021 | | Juan Torres | MF | | New York City FC | NY City FC |
| 08/2021 | | Sean Okoli | FW | | Orange County SC | Orange County |
| 08/2021 | | Jason Johnson | FW |  | FC Tulsa | FC Tulsa |
| 06/2021 | | Roberto Avila | FW | | FC Edmonton | FC Edmonton |
| 03/2021 | | Thomas De Villardi | DF |  | Charlotte Independence | Charlotte Independence |
| 02/2021 |  | Valeri Saramutin | MF |  | Olimp-Dolgoprudny | Olimp |
| 01/2021 |  | Billy Forbes | FW |  | Miami FC | Miami FC |
| 01/2021 | | Sean McFarlane | DF | | Miami FC | Miami FC |
| 01/2021 |  | Jeyhan Sheldon Bhindi | G-AN | | FC Edmonton | FC Edmonton |