Michael Spinks

Within the recorded range there are 32 bouts between 1977 and 1988, about one every 4.3 months. 21 of the 31 wins came inside the distance, 3 of them in the first round. The best win came against Larry Holmes in 1985, who was rated 2680 at the time.

There are 2 wins over opponents who were rated higher on the day. Among the losses to lower-rated opponents, the widest gap was Mike Tyson in 1988. Across the final four bouts the rating barely moved.