Kaka has revealed he would love to see his former Real Madrid teammate join him in the MLS next season, however has confirmed Casillas has no immediate desire to leave Porto.
Speaking to Cadena Cope, Kaka said: "I would like Casillas to come [to MLS] next year, but he told me he wants to stay in Portugal and play a little bit.
"I think he likes the idea of coming to play here. In five or 10 years, the MLS will be the strongest in the world."
Kaka has already convinced fellow countryman Julio Baptista to join him in Orlando, and has now set his next target as Casillas.