Francesco Totti has been at Roma since 1989.
In the FBI's view, Ali may have posed a threat because he was a potential source of money and charismatic leadership for the civil rights movement.
Muhammad Ali’s match with Japanese wrestler Antonio Inoki has often been seen as a freak show. It was anything but.
Later, thousands of people will attend a memorial featuring eulogies by former U.S. President Bill Clinton and comedian Billy Crystal.
"The passing of Muhammad Ali has made us all feel a little more alone in the world."
The U.S. president will be at the high school graduation of his elder daughter Malia.
The boxing icon’s funeral will take place in Louisville on Friday.
The boxing icon died on June 3 aged 74.
Hometown will host a procession followed by a service with eulogies by President Bill Clinton, Bryant Gumbel and more.