Quote Originally Posted by Sleepwalker View Post
I'm sure there are others, but these guys stand out

Sugar Ray Robinson
Sugar Ray Leonard
Roy Jones Jr
Floyd Mayweather Jr


Not sure what you mean by "control of their careers", but RJJ seems misplaced here.
Wonderful career, to be sure.... but ended it with some ugly KO losses.
Most surely fought way past his time for retirement.
Under some definitions, it doesn't sound like a man in "control of his career."