Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2018 |  | Mauricio Riffo | MA | |||
| 09/2018 | | Sebastián Parada | FW | |||
| 07/2018 |  | Jacobo Mansilla | MF |  | Tigre | C. A. T. |
| 07/2018 | | Juan Abarca | DF |  | Atlante | Atlante |
| 07/2018 |  | Joaquín Pereyra | DF |  | Boston River | Boston River |
| 07/2018 | | Antonio Estrada | MF | |||
| 07/2018 | | Maxi Rodríguez | MF |  | San Martín de San Juan | CA San Martín |
| 06/2018 | | Diego Osella | MA | |||
| 05/2018 | | Daniel Viveros | DF | |||
| 03/2018 | | Ed Verhoeven | MF | |||
| 03/2018 |  | Nelson Cabanillas | FW |  | Universitario de Deportes U20 | U20 |
| 02/2018 | | Camilo Melivilú | FW |  | Coquimbo Unido | Coquimbo Unido |
| 02/2018 | | Lucio Compagnucci | MF |  | Huracán | Huracán |
| 02/2018 | | Diego Díaz | MF |  | Palestino | Palestino |
| 01/2018 | | Kevin Egaña | DF |  | Deportes Copiapó | Deportes Copiapó |
| 01/2018 | | Jesús Pino | DF |  | Unión San Felipe | San Felipe |
| 01/2018 | | Camilo Moya | MF | |||
| 01/2018 | | Andrés Robles | MF |  | Santiago Wanderers | Wanderers |
| 01/2018 | | Christian Bravo | FW |  | Unión Española | Unión Española |
| 01/2018 | | Carlos Escobar | FW |  | Universidad de Concepción | Universidad de Concepción |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 | | Kevin Egaña | DF | | Deportes Copiapó | Deportes Copiapó |
| 07/2018 | | Jesús Pino | DF | | Unión San Felipe | San Felipe |
| 07/2018 | | Ronald González | MF | | Deportes Copiapó | Deportes Copiapó |
| 02/2018 | | Pablo Ruiz | MF |  | Real Salt Lake | Salt Lake |
| 01/2018 | | Sebastián Ramírez | DF |  | Atenas | Atenas |
| 01/2018 | | Esteban Flores | DF | | Universidad de Concepción | Universidad de Concepción |
| 01/2018 | | Yerson Opazo | DF |  | Curicó Unido | Curicó Unido |
| 01/2018 | | Álvaro Césped | MF |  | Unión La Calera | La Calera |
| 01/2018 | | Gabriel Díaz | MF |  | Ferro Carril Oeste | Ferro CO |
| 01/2018 | | Felipe Saavedra | MF |  | Universidad de Chile | Uni. de Chile |
| 01/2018 | | Diego Cháves | FW |  | Arsenal de Sarandí | Arsenal FC |
| 01/2018 | | Alejandro Fiorina | FW |  | Ñublense | Ñublense |
| 01/2018 | | Bryan Taiva | FW | | Universidad de Chile | Uni. de Chile |
| 01/2018 | | Jorge Martínez | GK-CO |  | Santiago Morning | Morning |