The Brazil international rejoined the club on a free on transfer deadline day after leaving the Rossoneri for Real Madrid in a €65 million deal four years ago.
Milan endured a terrible start to last season but a revival saw them finish in third spot and Poli - another of the club's summer additions - believes the 31-year-old can be the catalyst behind a resurgence this term.
"Kaka is a great player. IT's great to see him back at Milanello. It is a great privilege to be playing with him and he will be our leader. " - Says Poli to the reporters.
