The Brazilian made his Major League Soccer season debut Sunday night as Orlando thrashed defending champions Portland Timbers at the Citrus Bowl in Florida.
Shortly after the half-hour mark, the 33-year-old exchanged passes with Brek Shea, who fired an unstoppable shot to double the advantage.
And Kaka put the game out of Portland's reach early in the second half with a goal of his own:
A Kevin Molino spot-kick made it 4-0 before Jack McInerney scored a consolation goal in the 89th minute.
After four games, the undefeated Orlando leads MLS' Eastern Conference, while Portland has yet to kick into gear, sitting ninth in the West.
[Twitter, Reuters; h/t MailOnline]