Charlie Phil Rosenberg

Within the recorded range there are 70 bouts between 1921 and 1929, about one every 1.3 months. 7 of the 40 wins came inside the distance. Of the 20 losses, 17 came on the cards and none inside the distance. The best win came against Eddie Martin in 1925, who was rated 2167 at the time.

The record includes 4 wins against a higher-rated opponent. The rating held roughly steady across the final four bouts.