This was supposed to be a routine title defense for Muhammad Ali. Instead, Chuck Wepner’s unbelievable toughness, a shocking knockdown, and fifteen brutal rounds created the real life underdog story ...

There has never been anybody in the history of boxing quite like Muhammad Ali. To earn nicknames like “The Greatest” and “The People’s Champion”, you have to be something special, and Ali was.

It was oven-hot inside the arena, and that was before the fight began. The building’s air-conditioning had already lost the undercard against the tropical sun, and the air was thick with humidity.