http://www.youtube.com/watch?v=OCVEwli3vkc The man never wanted to box in the first place, he was forced into it at 7 years of age and never developed a passion and love for the sport.
He actually had sound technique and a solid base from his Olympic background, his defense is really underrated and actually pretty efficient when you watch him, especially the Ibeabuchi fight. http://www.youtube.com/watch?v=PZ6w9I4I4T8