
Within the recorded range there are 35 bouts between 1954 and 1966, about one every 4.2 months. 9 of the 28 wins came inside the distance. Of the 7 losses, 3 came inside the distance and 4 on the cards. The best win came against Pascual Pérez in 1960, who was rated 2360 at the time.
Opponents rated higher going in have been beaten 4 times. The loss to Fighting Harada in 1962 is the largest gap conceded. Over the last four bouts the trend was downward.