Piero Maza - Football referee

Copa Sudamericana 2019
1/2 finalsIndependiente del ValleCorinthians2019-09-252-2
1/8 finalsUniversidad Católica (ecu)Independiente2019-08-013-2
Copa Libertadores 2019
group stageRiver PlateInternacional2019-05-072 - 2
group stageFlamengoSan José2019-04-116 - 1
group stageCruzeiroDeportivo Lara2019-03-272 - 0
group stageDeportes TolimaAtletico Paranaense2019-03-051 - 0
2nd roundAtlético NacionalDeportivo La Guaira2019-02-140 - 0
Copa Sudamericana u20 2019
final stageBrazil u20Argentina u202019-02-101 - 0
final stageEcuador u20Colombia u202019-02-041 - 0
final stageVenezuela u20Uruguay u202019-01-291 - 1
group stageArgentina u20Peru u202019-01-261 - 0
group stageParaguay u20Peru u202019-01-221 - 0
Copa Libertadores 2018
group stageEmelecSanta Fe2018-05-230 - 3
Copa Sudamericana 2018
1/8 finalsBahia ECBotafogo2018-09-202 - 1
2nd roundDefensa y JusticiaEl Nacional2018-07-182 - 0
1st roundLDU QuitoGuabirá2018-04-102 - 1
Copa Sudamericana u15 2017
group stageCroatia u15Ecuador u152017-11-141 - 3
group stageBrazil u15Venezuela u152017-11-123 - 1
group stageVenezuela u15Croatia u152017-11-082 - 1