In 2016 he transferred to HC Oranje-Rood in the Netherlands, where he signed a contract for two years.

[5] Mazzilli was a part of Argentina's gold medal-winning team at the 2016 Olympics.

[6] At the 2012 Summer Olympics, he competed for the national team in the men's tournament.

[7] He has won the bronze medal at the 2014 Men's Hockey World Cup.

In July 2019, he was selected in the Argentina squad for the 2019 Pan American Games.