On 9 April 2006, he scored his first Rossoneri hat-trick against Chievo, with all three goals scored in the second half.
Milan were knocked out in the semi-finals of the 2005–06 Champions League to eventual champions Barcelona, and were once again eliminated in the quarter-finals of the Coppa Italia.
is a Brazilian retired professional footballer who played as an attacking midfielder.
Kaká made his professional club debut at age 18 at São Paulo FC in Brazil in 2001. At Milan, the club where he spent his prime years, Kaká won a Serie A title and was named the Serie A Footballer of the Year twice.
Milan also finished once again as runners-up in Serie A, with Kaká scoring 17 goals in the league.
After the 2006 Calciopoli scandal, however, Milan were deducted 30 points, which placed them in third in the table.
He was supported by Gennaro Gattuso and Clarence Seedorf defensively, as well as Massimo Ambrosini, allowing Kaká as the attacking midfielder and Rui Costa or Andrea Pirlo as the deep-lying playmaker to be in charge of creating Milan's goalscoring chances, forming a formidable midfield unit in both Italy and Europe.
Milan began the season by winning the Supercoppa Italiana against Lazio.
Kaká's pace, creative passing, goal scoring and dribbles from midfield saw him win the FIFA World Player of the Year, the Ballon d'Or, the UEFA Club Footballer of the Year and the IFFHS World's Best Playmaker awards.
Kaká made his debut for the Brazil national team in 2002, and was selected for their victorious World Cup squad that year, as well as the 20 tournaments, leading the tournament in assists in the latter.