Ken Buchanan

Within the recorded range there are 69 bouts between 1965 and 1982, about one every 2.9 months. 26 of the 61 wins came inside the distance, 3 of them in the first round. Of the 8 losses, 1 came inside the distance and 7 on the cards. It ended on 4 straight losses. The highest it has been is 2398, in 1975; it stands at 2055 now. The best win came against Carlos Ortiz in 1972, who was rated 2394 at the time.

Measured by the gap on the day, the biggest upset was the win over Ismael Laguna in 1970. The record includes 2 wins against a higher-rated opponent. The biggest upset conceded was the loss to Guts Ishimatsu in 1975. The rating was sliding across the final four bouts.