
Within the recorded range there are 20 bouts between 1977 and 1982, about one every 3.1 months. 13 of the 17 wins came inside the distance, 2 of them in the first round. Of the 3 losses, 2 came inside the distance and 1 on the cards. The highest it has been is 2156, in 1980; it stands at 2022 now. The best win came against Luis Ibarra in 1980, who was rated 2177 at the time.
The biggest upset conceded was the loss to Peter Mathebula in 1980. The rating was sliding across the final four bouts.