- Denny Moyer
(1962?1963, WBA)
- Denny Moyer
(1963)
- Ralph Dupas
(1963)
- Alessandro Mazzinghi
(1963?1965)
- Nino Benvenuti
(1965?1966)
- Kim Ki-soo
(1966?1968)
- Alessandro Mazzinghi
(1968)
- Freddie Little
(1969?1970)
- Carmelo Bossi
(1970?1971)
- K?ichi Wajima
(1971?1974)
- Oscar Albarado
(1974?1975)
- K?ichi Wajima
(1975)
- K?ichi Wajima
(1975, WBA)
- Miguel de Oliveira
(1975, WBC)
- Jae-Do Yuh
(1975?1976, WBA)
- Elisha Obed
(1975?1976, WBC)
- K?ichi Wajima
(1976, WBA)
- Jose Manuel Duran
(1976, WBA)
- Eckhard Dagge
(1976?1977, WBC)
- Miguel Angel Castellini
(1976?1977, WBA)
- Eddie Gazo
(1977?1978, WBA)
- Rocky Mattioli
(1977?1979, WBC)
- Masashi Kudo
(1978?1979, WBA)
- Maurice Hope
(1979?1981, WBC)
- Ayub Kalule
(1979?1981, WBA)
- Wilfred Benitez
(1981?1982, WBC)
- Sugar Ray Leonard
(1981, WBA)
- Tadashi Mihara
(1981?1982, WBA)
- Davey Moore
(1982?1983, WBA)
- Thomas Hearns
(1982?1986, WBC)
- Roberto Duran
(1983?1984, WBA)
- Mark Medal
(1984, IBF)
- Mike McCallum
(1984?1987, WBA)
- Carlos Santos
(1984?1986, IBF)
- Buster Drayton
(1986?1987, IBF)
- Duane Thomas
(1986?1987, WBC)
- Matthew Hilton
(1987?1988, IBF)
- Lupe Aquino
(1987, WBC)
- Gianfranco Rosi
(1987?1988, WBC)
- Julian Jackson
(1987?1990, WBA)
- Donald Curry
(1988?1989, WBC)
- Robert Hines
(1988?1989, IBF)
- John David Jackson
(1988?1993, WBO)
- Darrin Van Horn
(1989, IBF)
- Rene Jacquot
(1989, WBC)
- John Mugabi
(1989?1990, WBC)
- Gianfranco Rosi
(1989?1994, IBF)
- Terry Norris
(1990?1993, WBC)
- Gilbert Dele
(1991, WBA)
- Vinny Pazienza
(1991?1992, WBA)
- Julio Cesar Vasquez
(1992?1995, WBA)
- Verno Phillips
(1993?1995, WBO)
- Simon Brown
(1993?1994, WBC)
- Terry Norris
(1994, WBC)
- Vincent Pettway
(1994?1995, IBF)
- Luis Santana
(1994?1995, WBC)
- Pernell Whitaker
(1995, WBA)
- Carl Daniels
(1995, WBA)
- Paul Vaden
(1995, IBF)
- Terry Norris
(1995, WBC)
- Paul Jones
(1995?1996, WBO)
- Terry Norris
(1995?1997, WBC i IBF)
- Julio Cesar Vasquez
(1995?1996, WBA)
- Bronco McKart
(1996, WBO)
- Ronald Wright
(1996?1998, WBO)
- Laurent Boudouani
(1996?1999, WBA)
- Terry Norris
(1997, WBC)
- Raul Marquez
(1997, IBF)
- Yory Boy Campas
(1997?1998, IBF)
- Keith Mullings
(1997?1999, WBC)
- Harry Simon
(1998?2001, WBO)
- Fernando Vargas
(1998?2000, IBF)
- Javier Castillejo
(1999?2001, WBC)
- David Reid
(1999?2000, WBA)
- Felix Trinidad
(2000, WBA)
- Felix Trinidad
(2000?2001, WBA i IBF)
- Oscar de la Hoya
(2001?2002, WBC)
- Fernando Vargas
(2001?2002, WBA)
- Ronald Wright
(2001?2004, IBF)
- Daniel Santos
(2002?2005, WBO)
- Santiago Samaniego
(2002?2003, WBA)
- Oscar de la Hoya
(2002?2003, WBA Super i WBC)
- Shane Mosley
(2003?2004, WBA i WBC)
- Ronald Wright
(2004, WBA Super, WBC i IBF)
- Ronald Wright
(2004?2005, WBA Super i WBC)
- Verno Phillips
(2004, IBF)
- Kassim Ouma
(2004?2005, IBF)
- Alejandro Garcia
(2005?2006, WBA)
- Roman Karmazin
(2005?2006, IBF)
- Ricardo Mayorga
(2005?2006, WBC)
- Serhij Dzyndzyruk
(2005?2011, WBO)
- Oscar de la Hoya
(2006?2007, WBC)
- Jose Antonio Rivera
(2006?2007, WBA)
- Cory Spinks
(2006?2008, IBF)
- Travis Simms
(2007, WBA)
- Floyd Mayweather Jr.
(2007, WBC)
- Joachim Alcine
(2007?2008, WBA)
- Vernon Forrest
(2007?2008, WBC)
- Verno Phillips
(2008, IBF)
- Sergio Mora
(2008, WBC)
- Daniel Santos
(2008?2009, WBA)
- Vernon Forrest
(2008?2009, WBC)
- Cory Spinks
(2009?2010, IBF)
- Sergio Gabriel Martinez
(2009?2010, WBC)
- Jurij Forman
(2009?2010, WBA)
- Miguel Cotto
(2010, WBA)
- Cornelius Bundrage
(2010?2013, IBF)
- Miguel Cotto
(2010?2012, WBA Super)
- Manny Pacquiao
(2010?2011, WBC)
- Austin Trout
(2011?2013, WBA)
- Saul Alvarez
(2011?2013, WBC)
- Zaurbek Bajsangurow
(2011?2013, WBO)
- Floyd Mayweather Jr.
(2012?2013, WBA Super)
- Ishe Smith
(2013, IBF)
- Saul Alvarez
(2013, WBA i WBC)
- Carlos Molina
(2013?2014, IBF)
- Floyd Mayweather Jr.
(od 2013, WBA Super & WBC)
- Demetrius Andrade
(od 2013, WBO)
- Erislandy Lara
(od 2013, WBA)
- Cornelius Bundrage
(od 2014, IBF)
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