Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/2018 |  | Mario Salas | MA |  | Sporting Cristal | Sp. Cristal |
| 12/2018 | | Benjamín Jérez | DF |  | Colo-Colo U20 | U20 |
| 11/2018 | | Jorge Martínez | GK-CO | |||
| 11/2018 |  | Romario Bolaños | FW | | Colo-Colo U20 | U20 |
| 07/2018 | | José Aguilera | MF | | Colo-Colo U20 | U20 |
| 07/2018 | | Esteban Pavez | MF |  | Athletico Paranaense | Athletico - PR |
| 07/2018 |  | Damián Pérez | MF |  | Club Tijuana | Club Tijuana |
| 07/2018 |  | Lucas Barrios | FW |  | Argentinos Juniors | Arg. Juniors |
| 07/2018 |  | Danny Pérez | FW |  | Zamora FC | Zamora FC |
| 05/2018 | | Williams Alarcón | MF | | Colo-Colo U20 | U20 |
| 05/2018 | | Luciano Díaz | MF | | Colo-Colo U20 | U20 |
| 04/2018 | | Héctor Tapia | MA | |||
| 04/2018 | | Luis Pérez | MA | |||
| 04/2018 | | Agustín Salvatierra | MA | |||
| 02/2018 | | Juan Insaurralde | DF |  | Boca Juniors | Boca Juniors |
| 02/2018 | | César Pinares | MF |  | Sharjah FC | Sharjah FC |
| 01/2018 | | Carlos Carmona | MF |  | Atlanta United FC | Atlanta United |
| 01/2018 | | Omar Carabalí | GK | |||
| 01/2018 | | Brayan Cortés | GK |  | Deportes Iquique | Deportes Iquique |
| 01/2018 | | Ángel Rojas | DF | |||
| 01/2018 | | Bryan Carvallo | MF |  | Antofagasta | Antofagasta |
| 01/2018 | | Daniel Malhue | MF |  | Coquimbo Unido | Coquimbo Unido |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2018 | | Bryan Carvallo | MF |  | Club Necaxa | Necaxa |
| 02/2018 | | Daniel Malhue | MF |  | Deportes Temuco | Deportes Temuco |
| 01/2018 | | Andrés Vílches | FW |  | Universidad Católica | U. Católica |
| 01/2018 | | Álvaro Salazar | GK |  | Universidad de Concepción | Universidad de Concepción |
| 01/2018 | | Hardy Cavero | DF | | Antofagasta | Antofagasta |
| 01/2018 | | Ricardo Álvarez | MF | | Colo-Colo U20 | U20 |
| 01/2018 | | Ramón Fernández | MF |  | O'Higgins | O'Higgins |
| 01/2018 | | Luis Figueroa | MF | | Universidad de Concepción | Universidad de Concepción |
| 01/2018 |  | Christofer Gonzáles | MF |  | Sport Rosario | Sport Rosario |
| 01/2018 | | Michael Ríos | MF | | Deportes Iquique | Deportes Iquique |
| 01/2018 | | Marcos Bolados | FW | | Universidad Católica | U. Católica |
| 01/2018 | | Luis Salas | FW | | Colo-Colo U20 | U20 |