Mike Tyson signed Boxing Glove making him sixth on the

making him sixth on the all-time list

1 an Open Era record seven times

This made Holyfield the first boxer since Muhammad Ali to win a world heavyweight title three times

Bird entered the NBA for the 1979–1980 season

Mike Tyson signed Boxing Glove making him sixth on theMichael Gerard Tyson is an American professional boxer who competed from 1985 to 2005, and is scheduled to compete once again in 2024. Nicknamed "Iron Mike" and "Kid Dynamite" in his early career, and later known as "the Baddest Man on the Planet", Tyson is regarded as one of the greatest heavyweight boxers of all time. He reigned as the undisputed world heavyweight champion from 1987 to 1990. Tyson won his first 19 professional fights by knockout, 12