O'Higgins most appearances
27 players turned out for O'Higgins in 2018. From 30 matches played.
| # | Player | Matches |
|---|---|---|
| 1 | Nicolás Adrián Oroz | 30 |
| 2 | Alejandro Samuel Márquez Pérez | 29 |
| 3 | Juan Eduardo Fuentes Jiménez | 29 |
| 4 | Miguel Ángel Pinto Jérez | 29 |
| 5 | Matías Gabriel Vera | 28 |
| 6 | Roberto Andrés Cereceda Guajardo | 28 |
| 7 | Ramón Ignacio Fernández | 26 |
| 8 | Albert Alejandro Acevedo Vergara | 22 |
| 9 | Nicolás Mario Mazzola | 22 |
| 10 | Pablo Ignacio Calandria | 20 |
| 11 | Raúl Andrés Osorio Medina | 19 |
| 12 | Tomás Alarcón Vergara | 17 |
| 13 | Pedro Emiliano Muñoz Zúñiga | 16 |
| 14 | Joel Gustavo Acosta | 15 |
| 15 | Maximiliano Nahuel Salas | 15 |
| 16 | Bastián San Juan Martínez | 13 |
| 17 | Matías Ignacio Sepúlveda Méndez | 13 |
| 18 | Miguel Agustín Gutiérrez de León | 12 |
| 19 | Juan Carlos Espinoza Reyes | 10 |
| 20 | Fabián Marcelo Hormazabal Berríos | 6 |
| 21 | Gerardo Ignacio Navarrete Barrientos | 4 |
| 22 | Hugo Alejandro Herrera Gaete | 4 |
| 23 | Matías Francisco Meneses Letelier | 4 |
| 24 | David Andrés Salazar Bustamante | 3 |
| 25 | Aníbal González Ramírez | 2 |
| 26 | Antonio Alejandro Díaz Campos | 1 |
| 27 | Luis Alfonso Ureta Medina | 1 |