On this day in 1990 in a huge upset, James "Buster" Douglas knocks out Mike Tyson in 10th round in Tokyo, Japan to win the WBA, WBC, IBF, and lineal heavyweight boxing titles.
On this day in 1990 in a huge upset, James "Buster" Douglas knocks out Mike Tyson in 10th round in Tokyo, Japan to win the WBA, WBC, IBF, and lineal heavyweight boxing titles.