Los Angeles, Oct. 15 -- Amazon MGM Studios and Prime Video have unveiled the official trailer for The Greatest, the first authorised scripted series chronicling the life of legendary boxer Muhammad Ali.

The official trailer traces Muhammad Ali's coming of age story, following a young Cassius Clay through the personal, professional and political battles he fought inside and outside the ring. Set against a changing America, The Greatest follows a once-in-a-generation talent fighting for the right to become his own man. Through the fights that made him a champion and the convictions that made him an icon, a young man from Louisville transforms himself into Muhammad Ali, the greatest of all time, a press note said.

Newcomer Jaalen Best lead...