Former Lineal, WBC, IBO, & IBF Heavyweight champion, nicknamed "The Rock".
He was involved in organized crime before turning to boxing at the relatively late age of 20.
His knockout of Lennox Lewis was named Upset of the Year for 2001 by The Ring magazine.
His sons, Hasim Rahman, Jr. and Sharif Hasim Rahman, both became boxers.
He lost to Wladimir Klitschko via technical knockout on December 13, 2008.