He has been an International FIFA referee since 2003 and officiated several important fixtures since then which include the semifinals of Copa Libertadores in 2007 between Boca Juniors and Cúcuta Deportivo (second leg) and again in 2008 between Boca Juniors and Fluminense (first leg).
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During the 2011 Copa Libertadores group stage match between Santos and Colo-Colo he brandished a record 14 cards, five of them being red (three for Santos players and two for Colo-Colo).
Roberto Cavalli | Roberto Rossellini | Roberto Carlos | Roberto Durán | Roberto Clemente | Roberto Bolaño | Roberto Faenza | Roberto Calvi | Roberto Matta | Roberto Alagna | Roberto Carlos (singer) | Roberto Mancini | Roberto Carlos (footballer) | Roberto Baggio | Roberto Moreno | Roberto Longhi | Roberto Formigoni | Roberto Di Matteo | Roberto De Vicenzo | Roberto D'Alimonte | Roberto Benigni | :it:Roberto D'Alimonte | Agustín Roberto Radrizzani | Roberto Valera | Roberto Stagno | Roberto Salmeron | Roberto Rodríguez | Roberto Martínez | Roberto Díaz Herrera | Roberto Cassinelli |