List of Undisputed Boxing Champions - Lightweight

Lightweight

Reign Began Reign Ended Champion Recognition
April 7, 1963 April 10, 1965 Carlos Ortiz WBA & WBC
April 10, 1965 November 13, 1965 Ismael Laguna WBA & WBC
November 13, 1965 June 29, 1968 Carlos Ortiz WBA & WBC
June 29, 1968 February 18, 1969 Carlos Cruz WBA & WBC
February 18, 1969 March 3, 1970 Mando Ramos WBA & WBC
March 3, 1970 September 15, 1970 Ismael Laguna WBA & WBC
Laguna gave up the WBC title.
February 12, 1971 June 25, 1971 Ken Buchanan WBA & WBC
Buchanan gave up the WBC title after a contractual dispute, although he is still recognized as the true champion.
January 21, 1978 January 1979 Roberto Durán WBA & WBC
Duran, the WBA champion, won the undisputed title after defeating WBC Champion Estaban De Jesus. Duran gave up the titles after moving up to the welterweight division.
August 11, 1990 January 18, 1992 Pernell Whitaker WBA, WBC & IBF
Whitaker, the unified IBF and WBC champion, won Juan Nazario's WBA belt becoming the undisputed champ . Whitaker relinquished all of the belts after moving to the junior welterweight division.

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