He teamed up with Leonard in 1914 and was his manager up until the 1917 lightweight championship.
The United States women crews, at last year's heavyweight and lightweight championships, won four medals to the men's two.
He won the Golden Gloves featherweight championship in 1939, and the organization's lightweight championship in 1940.
Controversial decision loss to Joe Brown for undisputed lightweight championship of the world.
In April, Cauthen won the national amateur lightweight championship, but he decided to skip the world championships a month later in Berlin.
He fought Billy Dacey for the lightweight championship and a $5,000 purse in 1888, and knocked him out in eleven rounds.
He came back after a few years and fought Bob Greenshields in 1909 to win the lightweight championship of Australia.
After losing the lightweight championship O'Brien moved into the Welterweight division, probably the most prestigious weight class in Mexico at the time.
His son won the lightweight championship of the International Boxing Federation in 1997 but had little national recognition.
The lightweight national championship went to Harvard.