Referee
Piero Maza
Piero Maza
Piero Maza Gómez
Born41 years (25 Oct 1984)
82
Matches
80
As referee
0
As assistant
2
Fourth official / VAR
19
Competitions
396
Yellow cards
25
Red cards
Per match: 4.95 yellow · 0.31 red
Cards from matches where they were the main referee; a second yellow counts as a red.
| # | Competition | P | Ref. | Asst. | 4th | VAR | Avg. | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 |
Copa Sudamericana 2026
|
6 | 6 | 0 | 0 | 0 | 20 | 7 | 3.33 |
| 2 |
Copa Libertadores 2026
|
8 | 8 | 0 | 0 | 0 | 32 | 1 | 4.00 |
| 3 |
Copa Sudamericana 2025
|
3 | 2 | 0 | 1 | 0 | 7 | 1 | 3.50 |
| 4 |
Copa Libertadores 2025
|
13 | 13 | 0 | 0 | 0 | 55 | 1 | 4.23 |
| 5 |
Copa Sudamericana 2024
|
4 | 4 | 0 | 0 | 0 | 26 | 1 | 6.50 |
| 6 |
Copa Libertadores 2024
|
6 | 6 | 0 | 0 | 0 | 37 | 2 | 6.17 |
| 7 |
Recopa Sudamericana 2023
|
1 | 1 | 0 | 0 | 0 | 9 | 1 | 9.00 |
| 8 |
Copa Sudamericana 2023
|
4 | 4 | 0 | 0 | 0 | 21 | 1 | 5.25 |
| 9 |
Copa Libertadores 2023
|
4 | 4 | 0 | 0 | 0 | 23 | 2 | 5.75 |
| 10 |
Copa Sudamericana 2022
|
7 | 7 | 0 | 0 | 0 | 46 | 1 | 6.57 |
| 11 |
Copa Libertadores 2022
|
5 | 5 | 0 | 0 | 0 | 27 | 0 | 5.40 |
| 12 |
Copa Sudamericana 2021
|
3 | 3 | 0 | 0 | 0 | 16 | 2 | 5.33 |
| 13 |
Copa Libertadores 2021
|
4 | 3 | 0 | 1 | 0 | 20 | 1 | 6.67 |
| 14 |
Copa Sudamericana 2020
|
1 | 1 | 0 | 0 | 0 | 6 | 0 | 6.00 |
| 15 |
Copa Libertadores 2020
|
2 | 2 | 0 | 0 | 0 | 8 | 0 | 4.00 |
| 16 |
Copa Sudamericana 2019
|
2 | 2 | 0 | 0 | 0 | 8 | 0 | 4.00 |
| 17 |
Copa Libertadores 2019
|
5 | 5 | 0 | 0 | 0 | 19 | 1 | 3.80 |
| 18 |
Copa Sudamericana 2018
|
3 | 3 | 0 | 0 | 0 | 11 | 1 | 3.67 |
| 19 |
Copa Libertadores 2018
|
1 | 1 | 0 | 0 | 0 | 5 | 2 | 5.00 |
| Totals | 82 | 80 | 0 | 2 | 0 | 396 | 25 | 4.95 |
Matches
Copa Libertadores 2021
Matchday 02
Defensa y Justicia
3 – 0
Universitario de Deportes
Fourth official