Alexandre Pato has joined Brazilian club Corinthians from AC Milan for €15m (£12m).
The 23-year-old has signed a four-year deal as he makes a return to his home country.
The forward left Internacional in 2007 to embark on a six-year spell in Italy.
Pato scored 51 goals in 117 appearances for Milan during an injury-plagued career at the San Siro.