Sonny Liston

Within the recorded range there are 54 bouts between 1953 and 1970, about one every 3.8 months. 39 of the 50 wins came inside the distance, 8 of them in the first round. Of the 4 losses, 3 came inside the distance and 1 on the cards. The best win came against Floyd Patterson in 1962, who was rated 2478 at the time.

There are 3 wins over opponents who were rated higher on the day. Among the losses to lower-rated opponents, the widest gap was Muhammad Ali in 1964. Across the final four bouts the rating fell.