After the retirement of fellow countryman Horacio Elizondo he became Argentine's top referee and was selected for the 2007 Copa América where he took charge of three games (Brazil vs Mexico, Brazil vs Ecuador; both group stage and the quarterfinal between Mexico and Paraguay).
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Injury kept him out from the preliminary tests for 2010 FIFA World Cup where Héctor Baldassi had been chosen instead to represent Argentine FA.
Sergio Leone | Sergio Franchi | Sergio Ramos | Sérgio Mendes | Sergio Martino | Sergio Osmeña | Sergio Fabbrini | Sergio Aleati | Sergio Sollima | Sérgio Godinho | Sergio Corbucci | Sergio Santos | Sergio Pérez | Sergio Marchionne | Sergio Fiorentino | Sergio Badilla Castillo | Sergio Vargas | Sergio Tofano | Sergio Oliva | Sergio Mulko | Sergio Mora | Sergio Marchi | Sergio George | Sergio García | Sergio Donati | Sergio Dalma | Sergio Cragnotti | Sergio Vallín | Sergio Tiempo | Sergio Rossi |