Adriano Galliani has hailed Kaka as an AC Milan legend and is delighted by the impact he has made since re-joining the club in the summer.
The Brazilian scored his 100th goal for the club during their 3-0 win over Atalanta last weekend, and Milan vice president Galliani has compared him to Milan's greatest players.
"Kaka is a true Milan legend. Everybody at the club loves him," Galliani told RMC. "He has entered the hearts of all the Milan fans in his own special way.
"At Milan, we have had legends like Paolo Maldini and Franco Baresi. It is probably fair to say that the fans' affection for Kaka is equally big.
"There were people who feared that he was no longer the Kaka from before, but he has been doing very well and we are all delighted with him."
Milan visit Sassuolo in Serie A on Sunday.