Freddy Castillo

Within the recorded range there are 68 bouts between 1971 and 1986, about one every 2.6 months. 30 of the 45 wins came inside the distance. Of the 18 losses, 5 came inside the distance and 12 on the cards. The best win came against Luis Estaba in 1978, who was rated 2329 at the time.

Measured by the gap on the day, the biggest upset was the win over Prudencio Cardona in 1982. The record includes 4 wins against a higher-rated opponent. The biggest upset conceded was the loss to Eleoncio Mercedes in 1982. The rating held roughly steady across the final four bouts.