Henry Armstrong - only fighter to hold three titles (featherweight, lightweight and welterweight) simultaneously
Record: 150-21-9, 101 KO's; Career: 1933-45, 13 years active.
Roberto Duran - dominant lightweight of 1970's, who also won titles in three other weight classes
Record: 102-15, 70 KO's; Career: 1967-99, 31 years active.
Benny Leonard - master boxer who was lightweight champion
Record: 85-5-5, 69 KO's, 119 ND; Career: 1911-32, 16 years active.
Record: 150-21-9, 101 KO's; Career: 1933-45, 13 years active.
Roberto Duran - dominant lightweight of 1970's, who also won titles in three other weight classes
Record: 102-15, 70 KO's; Career: 1967-99, 31 years active.
Benny Leonard - master boxer who was lightweight champion
Record: 85-5-5, 69 KO's, 119 ND; Career: 1911-32, 16 years active.

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