 He also won two consecutive Olympic medals for the country, a bronze in 2008, and silver four years later.In June 2006, at only age 16, Pato was signed by Sport Club Internacional to compete in the Campeonato Brasileiro Sub-20.Despite the fact that he was competing against players up to four years older than he was, Pato became top scorer of the competition as Internacional Sub-20 defeated Grêmio 4–0 in the championship's final match.