Danny Williams is best known for scoring an upset knockout victory against what former professional boxer who won his first 19 professional fights by knockout?
Mike Tyson: Michael Gerard Tyson ( ; born June 30, 1966) is an American former professional boxer who competed from 1985 to 2005. Mike Tyson:  Tyson won his first 19 professional fights by knockout, 12 of them in the first round.
i don't know