Junior Lightweight World/Lineal Champions (130lbs)

Johnny Dundee (6/7/1922 – 30/5/1923)

Dundee unified the NY/NBA versions of the title when beating Jackie Sharkey
Jack Bernstein (30/5/1923 – 17/12/1923)
Johnny Dundee (17/12/1923 – 20/6/1924)
Steve Kid Sullivan (20/6/1924 – 1/4/1925)
Mike Ballerino (1/4/1925 – 2/12/1925)
Tod Morgan (2/12/1925 – 20/12/1929)
Benny Bass (20/12/1929 – 15/7/1931)
Kid Chocolate (15/7/1931 – 25/12/1933)
Frankie Klick (25/12/1933 – 5/3/1934)

Klick moved up in weight
Despite the title being claimed by Sandy Saddler between 6/12/1949 to 28/2/1951 he was seen as a featherweight, and although the division resurfaced in 1959 with Harold Gomes it was not taken seriously by The Ring until 19 July 1962
Flash Elorde (5/6/1965 – 15/6/1967)

Elorde unified the WBA/WBC titles when beating Teruo Kosaka
Yoshiaki Numata (15/6/1967 – 14/12/1967)
Hiroshi Kobayashi (14/12/1967 – 29/7/1971)
Alfredo Marcano (29/7/1971 – 25/4/1972)
Ben Villaflor (25/4/1972 – 12/3/1973)
Kuniaki Shibata (12/3/1973 – 17/10/1973)
Ben Villaflor (17/10/1973 – 16/10/1976)
Sam Serrano (16/10/1976 – 2/8/1980)
Yasutsune Uehara (2/8/1980 – 9/4/1981)
Sam Serrano (9/4/1981 – 19/1/1983)
Roger Mayweather (19/1/1983 – 26/2/1984)
Rocky Lockridge (26/2/1984 – 19/5/1985)
Wilfredo Gomez (19/5/1985 – 24/5/1986)
Alfredo Layne (24/5/1986 – 27/9/1986)
Brian Mitchell (27/9/1986 – 25/1/1992)

Mitchell retired
Azumah Nelson (1/3/1992 – 7/5/1994)

Nelson (2) beat Jeff Fenech (1) 
Jesse James Leija (7/5/1994 – 17/9/1994)
Gabriel Ruelas (17/9/1994 – 1/12/1995)
Azumah Nelson (1/12/1995 – 22/3/1997)
Genaro Hernandez (22/3/1997 – 3/10/1998)
Floyd Mayweather Jnr (3/10/1998 – 20/4/2002)

Mayweather moved up in weight
Acelino Freitas (20/4/2002 – 15/1/2004)

Freitas had earlier unified the WBA/WBO titles
Freitas moved up in weight 
Erik Morales (31/7/2004 – 27/11/2004)

Morales unified the IBF/WBC titles when beating Carlos Hernandez 
Marco Antonio Barrera (27/11/2004 – 17/3/2007)
Juan Manuel Marquez (17/3/2007 – 15/3/2008)
Manny Pacquiao (15/3/2008 – 16/7/2008)

Pacquiao moved up in weight 
Mzonke Fana (1/9/2010 – 1/9/2012)

Fana (1) beat Cassius Baloyi (4)
Fana failed to meet a top-five rated opponent for two years

Miguel Berchelt (11/5/2019 -

Berchelt (1) beat Francisco Vargas (4)

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