KO KINGS: This fight between Carlos Zarate (left) and Alfonso Zamora might’ve featured the highest combined knockout ratio in the history of big-fight boxing. The Mexicans had a combined record of 74-0, with 73 knockouts, going into the fight. And, of course, the fight didn’t go the distance. Zarate (45-0, 44 KOs) stopped Zamora (29-0, 29 KOs) at 1:11 of the fourth round. It took place on April 23, 1977, at The Forum in Inglewood, California.

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