Betulio González

Within the recorded range there are 92 bouts between 1968 and 1988, about one every 2.7 months. 52 of the 76 wins came inside the distance, 4 of them in the first round. Of the 12 losses, 4 came inside the distance and 8 on the cards. The highest it has been is 2258, in 1981; it stands at 2045 now. The best win came against Félix Márquez in 1970, who was rated 2187 at the time.

The biggest upset conceded was the loss to Rodolfo Blanco in 1988. The rating was sliding across the final four bouts.