Challenger James “Buster” Douglas, stands over champion Mike Tyson who fell on his back after t …

Challenger James "Buster" Douglas, stands over champion Mike Tyson who fell on his back after t ...

Challenger James “Buster” Douglas, stands over champion Mike Tyson who fell on his back after taking a series of blows in the 10th round of their world heavyweight title fight in Tokyo Sunday, Feb. 11, 1990. (AP PHOTO/Tsugufumi Matsumoto)