Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
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Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
Defeats Emile Griffith for the United States Title; also recognized as North American champion.
José Gonzalez
1966-03-18
New York, NY, USA
Recognized by WBA (Daily News, New York, NY, 68-08-20).
Bennie Briscoe
1968-08-21
New York, NY, USA
Defeats Gonzalez for the North American Title (The Record, Hackensack, NJ, 68-08-22).
Emile Griffith
1970-01-28
Cleveland, OH, USA
Defeats Doyle Baird to be recognized by WBA (Plain Dealer, Cleveland, OH, 70-01-29); still champion as of 70-11-03; still/again billed as North American champion in FL, USA in 73-10.
Tony Licata
1974-02-05
Boston, MA, USA
Defeats Griffith to win the United States Title and is also billed as North American champion mainly in FL, USA; no longer billed as champion after losing to British champion Alan Minter on 76-11-09.
Marvin Hagler
1977-02-15
Boston, MA, USA
Defeats Willie Monroe; still champion as of 78-08-20.
