April 21, 2001
A two-time heavyweight champion, The Rock stunned the boxing world when, as a 20-to-1 underdog, he floored Lennox Lewis, the champ, with one punch in 2001. Ring Magazine tabbed it The Upset of the Year. Seven months later, the Baltimore-born Rahman lost the crown, then regained it briefly in 2005. At 39, with 50 victories in 60 fights, he continues to box.