He broke into professional boxing in 1940 at the age of 18.
At the age of 14, he was introduced to professional boxing.
For those who follow professional boxing, the name has significance.
Hansen later had a career in professional boxing between 1956 and 1964.
He is currently 16-0 in professional boxing as of December 2012.
"In professional boxing, there is no middle class," he said.
The idea is this: A seniors' league for professional boxing.
Holderfield was involved in professional boxing from 1946 until 1955.
The "title fight" has always been the focal point in professional boxing.
In 1961, along with other sports, the Revolutionary government banned professional boxing.