History

The junior flyweight class was established in 1920 when the Walker Law was passed to legalize and regulate boxing in New York State.

Although Jockey Joe Dillon was recognized by New York as the division champion, he never fought anyone for the title. In fact, the first junior flyweight title fight didn't take place until 1975, when both the World Boxing Association and the World Boxing Council adopted it as a championship division.

The lists below include champions recognized by the WBA, WBC, and the International Boxing Federation (IBF).

Only those bouts are included in which the championship changed hands or the championships of two or more governing bodies was unified.

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Champions

Franco Udella (WBC) 1975
Jaime Rios (WBA) 1975-76
Luis Estaba (WBC) 1975-78
Juan Guzman (WBA) 1976
Yoko Gushiken (WBA) 1976-81
Freddy Castillo (WBC) 1978
Netrnoi Vorasingh (WBC) 1978
Sung-Jun Kim (WBC) 1978-80
Shigeo Nakajima (WBC) 1980
Hilario Zapata (WBC) 1980-82
Pedro Flores (WBA) 1981
Hwan-Jin Kim (WBA) 1981
Katsuo Tokashiki (WBA) 1981-83
Amado Urzua (WBC) 1982
Tadashi Tomori (WBC) 1982
Hilario Zapata (WBC) 1982-83
Jung-Koo Chang (WBC) 1983-88
Lupe Madera (WBA) 1983-84
Dodie Penalosa (IBF) 1983-86
Francisco Quiroz (WBA) 1984-85
Joey Olivo (WBA) 1985
Myung-Woo Yuh (WBA) 1985-91
Jum-Hwan Choi (IBF) 1986-88
Tacy Macalos (IBF) 1988-89
German Torres (WBC) 1988-89
Yul-Woo Lee (WBC) 1989
Muangchai Kittikasem (IBF) 1989-90
Humberto Gonzalez (WBC) 1989-90
Michael Carbajal (IBF) 1990-94
Rolando Pascua (WBC) 1990
Melchor Cob Castro (WBC) 1991
Humberto Gonzalez (WBC) 1991-93
Hirokia Ioka (WBA) 1991-92
Michael Carbajal (WBC) 1993-94
Myung-Woo Yuh (WBA) 1993
Leo Gamez (WBA) 1993-95
Humberto Gonzalez (WBC, IBF) 1994-95
Choi Hi-Yong (WBA) 1995-96
Saman Sor Jaturong (WBC, IBF) 1995-96
Carlos Murillo (WBA) 1996
Keiji Yamaguchi (WBA) 1996
Michael Carbajal (IBF) 1996-97
Saman Sor Jaturong (WBC) 1995-99
Phichit Chor Siriwat (WBA) 1996-2000
Mauricio Pastrana (IBF) 1997-98
Will Grigsby (IBF) 1999
Choi Yo-Sam (WBC) 1999-2002
Ricardo Lopez (IBF) 1999-2000
Beibis Mendoza (WBA) 2000-01
Rosendo Alvarez (WBA) 2001-
Jorge Arce (WBC) 2002-
Jose Victor Burgos (IBF) 2003-

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