Billy Backus

Within the recorded range there are 74 bouts between 1961 and 1978, about one every 2.7 months. 23 of the 49 wins came inside the distance. Of the 20 losses, 5 came inside the distance and 15 on the cards. The best win came against José Nápoles in 1970, who was rated 2427 at the time.

The record includes 2 wins against a higher-rated opponent. The rating held roughly steady across the final four bouts.