Boxing coaches and old gym rats are forever warning against the folly of letting a fighter ‘off the leash’ too soon and phrases such as ‘He’s not mature enough’ or’He’s still a baby..’are commonplace.
However, in the course of boxing history we have seen a handful of prodigies who scaled the fistic heights before they could legally purchase a bottle of Jack Daniels.

In my always humble opinion, here are the Top 5 greatest fighters, under the the age of 23, that the world has ever seen.