Posting a black and white image of himself wearing the famous "I belong to Jesus" t-shirt he sported in the Champions League final against Liverpool, Kaka issued a statement reflecting on his career.
"I needed time to think and take a decision calmly", Kaka said.
The 2007 Ballon d'Or victor had been weighing up whether to continue playing at a new club after confirming he would not renew his contract at MLS side Orlando City in October.
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After playing AC Milan Kaka nearly joined to Manchester United. Upon these news, it seems more likely he will join Milan, and take his first steps towards a management career. With Orlando, Kaka again showed flashes of his tremendous talent, giving the expansion team an immediate boost. I'm that way inclined too. Kaka has scored 29 times in 92 matches for Brazil. "Now, there are people who believe I am already ready".
Having lifted the World Cup with his country, he won the Champions League with Milan in 2007 and the Ballon d'Or, awarded to the world's best player, in the same year. But in the end, he arrived at Real Madrid for 67m euros nearly at the same time with Ronaldo.
He was also a member of Brazil's 2010 World Cup squad, where he ended the tournament with three assists despite not scoring. As a dribbler, he was able to overcome nearly any challenge with a unique sense of speed and precision but what made him so mesmerizing was his uncanny ability to find teammates thanks to his unrivaled vision.
He also added that he might continue taking part in the football world: "I will continue in football but in a different role".