| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Rubio Ñú | Division Intermedia | 0 | 0 | 0 | 0 | 0 | – |
| 2024 | Rubio Ñú | Division Intermedia | 23 | 4 | 0 | 3 | 0 | – |
| 2023 | Sportivo Trinidense | Division Profesional | 4 | 0 | 0 | 0 | 0 | – |
| 2022 | Sol de América | Division Profesional | 23 | 0 | 0 | 8 | 0 | – |
| 2021 | Sol de América | Division Profesional | 15 | 1 | 0 | 4 | 0 | – |
| 2020 | Deportes Antofagasta | Primera División | 22 | 1 | 1 | 4 | 1 | 6.7 |
| 2019 | Universidad Concepción | Primera División | 22 | 0 | 0 | 9 | 0 | 6.7 |
| 2018 | Universidad Concepción | Primera División | 29 | 0 | 0 | 5 | 0 | 6.7 |
| 2017 | Universidad Concepción | Primera División | 15 | 0 | 0 | 6 | 1 | – |
| 2016/2017 | Universidad Concepción | Primera División | 14 | 1 | 0 | 5 | 0 | – |
| 2016 | Olimpia | Division Profesional | 19 | 0 | 0 | 4 | 1 | – |
| 2015 | Libertad | Division Profesional | 31 | 2 | 0 | 9 | 0 | – |
| 2014 | Libertad | Division Profesional | 29 | 3 | 0 | 8 | 1 | – |
| 2013 | Libertad | Division Profesional | 33 | 1 | 0 | 7 | 1 | – |
| 2012 | Libertad | Division Profesional | 30 | 3 | 0 | 17 | 0 | – |
| 2011 | Libertad | Division Profesional | 17 | 0 | 0 | 2 | 1 | – |
| 2010 | Libertad | Division Profesional | 12 | 2 | 0 | 6 | 0 | – |
| 2008 | 3 de Febrero | Division Profesional | 0 | 0 | 0 | 0 | 0 | – |
| Total | 338 | 18 | 1 | 97 | 6 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 01 Aug 2024 | Trinidense | Rubio Ñú | Free | |
| - | Sol de América | Trinidense | Free | |
| 07 Jan 2021 | Antofagasta | Sol de América | Free | |
| 02 Apr 2020 | U. Concepción | Antofagasta | Free | |
| 01 Jan 2017 | Olimpia | U. Concepción | Free | |
| 01 Jan 2016 | Libertad | Olimpia | Free |
G. Mencia career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.