Brown had been the lightweight champion for more than five years.
The lightweight champion tapped out at 1:46 of the second round.
Rocky Kansas was a tough, short ( tall) former lightweight champion of the world.
He is 30, married, expecting his second child, a former lightweight champion of the world who retired at 24 after a storybook career.
In 2007, he was the lightweight champion of Shooto.
This made him the longest reigning world junior lightweight champion ever (seven years and three months).
Gatti, the former junior lightweight champion, seems to defy pain.
He was the second American boxer to hold the lightweight champion, winning the title on June 1, 1896.
Dundee thus became the first universally recognized world junior lightweight champion in ring history.
Mackenzie became British lightweight champion in 1909, winning the title again in 1912, 1922, 1924, 1932, and 1941.