Who were some boxers whose KO ability was vastly sharper or better in the latter stages of their career?
Yeah, I read that. Steward claimed it happened when Tommy was in his mid to late teens, he suddenly started knocking guys over, whereas previously he was contend to outbox them.
Hearns apparently had 12 kayoes in 163 amateur fights. Gives the lie to the "punchers are born not made" axiom.