Jack Sharkey

Within the recorded range there are 55 bouts between 1924 and 1936, about one every 2.8 months. 13 of the 38 wins came inside the distance, 2 of them in the first round. Of the 14 losses, 4 came inside the distance and 9 on the cards. The best win came against Tommy Loughran in 1929, who was rated 2214 at the time.

The widest rating gap overturned came against Jack Delaney in 1928. There are 6 wins over opponents who were rated higher on the day. Among the losses to lower-rated opponents, the widest gap was King Levinsky in 1933. Across the final four bouts the rating barely moved.