Kaka was delighted with his performance in AC Milan's draw with Lazio. Kaka struck a superb goal in the 1-1 result.
"I still have to improve in some respects, I'm happy because today there has been great improvement. I'll try to get to my best so to have a great World Cup with Brazil.
"I thank Milan for this second chance.
"Yes, it is motivating. When I arrived the first time I was 21, now I'm 31. I'm more a reference for others. There is this responsibility and I take it."
