Juan Herrera

Within the recorded range there are 52 bouts between 1976 and 1988, about one every 2.9 months. 26 of the 40 wins came inside the distance. Of the 11 losses, 4 came inside the distance and 7 on the cards. It ended on 3 straight losses. The highest it has been is 2194, in 1982; it stands at 1884 now. The best win came against Betulio González in 1981, who was rated 2258 at the time.

The record includes 3 wins against a higher-rated opponent. The biggest upset conceded was the loss to Santos Laciar in 1982. The rating was sliding across the final four bouts.