Nicknamed The Black Rhino, he was sentenced to 105 years in prison without the possibility of parole due to a drug-fueled robbery spree.
He served a 10-year sentence for robbery before going back to prison for robbery once again in 2006.
He won the State Prison Boxing Championship while incarcerated.
He grew estranged from his family.
One of his most famous fights was a knockout at the hands of Mike Tyson in 2003.
