James "Buster" Douglas, a 42-1 outsider, knocked out the supposedly invincible Mike Tyson in round 10 in Tokyo. Most casinos had refused to take bets on the fight. Douglas floored Tyson with an uppercut followed by a right hand that ended the myth of his invincibility.
The greatest upset in heavyweight boxing history and the moment that proved no champion is invincible.
Why It Matters