
Within the recorded range there are 20 bouts between 1974 and 1981, about one every 4.0 months. 11 of the 14 wins came inside the distance, 1 of them in the first round. Of the 6 losses, 2 came inside the distance and 3 on the cards. The highest it has been is 2297, in 1978; it stands at 1956 now. The best win came against Guts Ishimatsu in 1977, who was rated 2292 at the time.
The widest rating gap overturned came against Miguel Velázquez in 1976. There are 2 wins over opponents who were rated higher on the day. Across the final four bouts the rating fell.