- Pinky Mitchell
(1922?1925)
- Mushy Callahan
(1926?1930, NBA)
- Jack Kid Berg
(1930?1931, NBA)
- Tony Canzoneri
(1931?1932)
- Johnny Jadick
(1932?1933)
- Battling Shaw
(1933)
- Tony Canzoneri
(1933)
- Barney Ross
(1933?1935)
- Tippy Larkin
(1946)
- Carlos Ortiz
(1959?1960)
- Duilio Loi
(1960?1962)
- Eddie Perkins
(1962, WBA)
- Duilio Loi
(1962, WBA)
- Roberto Cruz
(1963, WBA)
- Eddie Perkins
(1963?1965, WBA i WBC)
- Carlos Hernandez
(1965?1966, WBA i WBC)
- Sandro Lopopolo
(1966?1967, WBA i WBC)
- Takeshi Fuji
(1967?1968, WBA i WBC)
- Takeshi Fuji
(1968, WBA)
- Nicolino Locche
(1968?1972, WBA)
- Pedro Adigue Jr.
(1968?1970, WBC)
- Bruno Arcari
(1970?1974, WBC)
- Alfonso Frazer
(1972, WBA)
- Antonio Cervantes
(1972?1976, WBA)
- Perico Fernandez
(1974?1975, WBC)
- Saensak Muangsurin
(1975?1976, WBC)
- Wilfred Benitez
(1976?1977, WBA)
- Miguel Velasquez
(1976, WBC)
- Saensak Muangsurin
(1976?1978, WBC)
- Antonio Cervantes
(1977?1980, WBA)
- Sang Hyun Kim
(1978?1980, WBC)
- Saoul Mamby
(1980?1982, WBC)
- Aaron Pryor
(1980?1983, WBA)
- Leroy Haley
(1982?1983, WBC)
- Bruce Curry
(1983?1984, WBC)
- Johnny Bumphus
(1984, WBA)
- Billy Costello
(1984?1985, WBC)
- Gene Hatcher
(1984?1985, WBA)
- Aaron Pryor
(1984?1985, IBF)
- Ubaldo Nestor Sacco
(1985?1986, WBA)
- Lonnie Smith
(1985?1986, WBC)
- Patrizio Oliva
(1986?1987, WBA)
- Gary Hinton
(1986, IBF)
- Rene Arredondo
(1986, WBC)
- Tsuyoshi Hamada
(1986?1987, WBC)
- Joe Manley
(1986?1987, IBF)
- Terry Marsh
(1987, IBF)
- Juan Martin Coggi
(1987?1990, WBA)
- Rene Arredondo
(1987, WBC)
- Roger Mayweather
(1987?1989, WBC)
- James McGirt
(1988, IBF)
- Meldrick Taylor
(1988?1990, IBF)
- Hector Camacho
(1989?1991, WBO)
- Julio Cesar Chavez
(1989?1990, WBC)
- Julio Cesar Chavez
(1990?1991, WBC i IBF)
- Loreto Garza
(1990?1991, WBA)
- Greg Haugen
(1991, WBO)
- Julio Cesar Chavez
(1991?1994, WBC)
- Hector Camacho
(1991?1992, WBO)
- Edwin Rosario
(1991?1992, WBA)
- Rafael Pineda
(1991?1992, IBF)
- Akinobu Hiranaka
(1992, WBA)
- Carlos Gonzalez
(1992?1993, WBO)
- Pernell Whitaker
(1992, IBF)
- Morris East
(1992?1993, WBA)
- Juan Martin Coggi
(1993?1994, WBA)
- Charles Murray
(1993?1994, IBF)
- Zack Padilla
(1993?1994, WBO)
- Frankie Randall
(1994, WBC)
- Jake Rodriguez
(1994?1995, IBF)
- Julio Cesar Chavez
(1994?1996, WBC)
- Frankie Randall
(1994?1996, WBA)
- Konstantin Cziu
(1995?1997, IBF)
- Sammy Fuentes
(1995?1996, WBO)
- Juan Martin Coggi
(1996, WBA)
- Giovanni Parisi
(1996?1998, WBO)
- Oscar de la Hoya
(1996?1997, WBC)
- Frankie Randall
(1996?1997, WBA)
- Khalid Rahilou
(1997?1998, WBA)
- Vince Phillips
(1997?1999, IBF)
- Carlos Gonzalez
(1998?1999, WBO)
- Sharmba Mitchell
(1998?2001, WBA)
- Terron Millett
(1999?2000, IBF)
- Randall Bailey
(1999?2000, WBO)
- Konstantin Cziu
(1999?2001, WBC)
- Zab Judah
(2000?2001, IBF)
- Ener Julio
(2000?2001, WBO)
- Konstantin Cziu
(2001, WBA Super i WBC)
- DeMarcus Corley
(2001?2003, WBO)
- Konstantin Cziu
(2001?2004, WBA, WBC i IBF)
- Konstantin Cziu
(2003?2005, IBF)
- Vivian Harris
(2003?2005, WBA)
- Zab Judah
(2003?2004, WBO)
- Arturo Gatti
(2004?2005, WBC)
- Miguel Cotto
(2004?2006, WBO)
- Ricky Hatton
(2005, IBF)
- Floyd Mayweather Jr.
(2005, WBC)
- Carlos Maussa
(2005, WBA)
- Ricky Hatton
(2005?2006, WBA i IBF)
- Juan Urango
(2006?2007, IBF)
- Souleymane M’Baye
(2006?2007, WBA)
- Junior Witter
(2006?2008, WBC)
- Ricardo Torres
(2006?2008, WBO)
- Ricky Hatton
(2007, IBF)
- Lovemore N'dou
(2007, IBF)
- Paul Malignaggi
(2007?2008, IBF)
- Gavin Rees
(2007?2008, WBA)
- Andrij Kotelnyk
(2008?2009, WBA)
- Timothy Bradley
(2008?2009, WBC)
- Kendall Holt
(2008?2009, WBO)
- Juan Urango
(2009?2010, IBF)
- Timothy Bradley
(2009, WBC i WBO)
- Timothy Bradley
(2009?2011, WBO)
- Amir Khan
(2009?2011, WBA)
- Devon Alexander
(2009?2010, WBC)
- Devon Alexander
(2010, WBC i IBF)
- Devon Alexander
(2010?2011, WBC)
- Timothy Bradley
(2011, WBC i WBO)
- Timothy Bradley
(2011?2012, WBO)
- Zab Judah
(2011, IBF)
- Amir Khan
(2011, WBA Super i IBF)
- Marcos Maidana
(2011?2012, WBA)
- Erik Morales
(2011?2012, WBC)
- Lamont Peterson
(2011?2012, WBA Super i IBF)
- Danny Garcia
(2012, WBC)
- Juan Manuel Marquez
(2012?2013, WBO)
- Lamont Peterson
(2012?2015, IBF)
- Amir Khan
(2012, WBA Super)
- Danny Garcia
(2012?2015, WBC i WBA Super)
- Chabib Ałłachwierdijew
(2012?2014, WBA)
- Mike Alvarado
(2013, WBO)
- Rusłan Prowodnikow
(2013?2014, WBO)
- Jessie Vargas
(2014?1015, WBA)
- Chris Algieri
(2014, WBO)
- Terence Crawford
(od 2015, WBO)
- Danny Garcia
(od 2015, WBA Super)
- Cesar Cuenca
(od 2015, IBF)
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