An Olympic champion at London 2012, this quick and cerebral lefty has been no less successful as a professional, and he's the very definition of what a pound-for-pound superstar should be.

Results: Left-handed boxers had been involved in 75–800 fights (mean 120.6), with 5–79 lost (mean 19.32). A similar evaluation was made for the right-handed boxers. The right-handed boxers had been ...