Gregorio Peralta

Within the recorded range there are 116 bouts between 1958 and 1973, about one every 1.6 months. 60 of the 98 wins came inside the distance, 3 of them in the first round. Of the 9 losses, 3 came inside the distance and 6 on the cards. The best win came against Mauro Mina in 1964, who was rated 2159 at the time.

Measured by the gap on the day, the biggest upset was the win over Willie Pastrano in 1963. The biggest upset conceded was the loss to Ray Anderson in 1972. The rating held roughly steady across the final four bouts.