- Jack Root
(1903)
- George Gardner
(1903)
- Bob Fitzsimmons
(1903?1905)
- Philadelphia Jack O’Brien
(1905)
- Jack Dillon
(1914?1916)
- Battling Levinsky
(1916?1920)
- Georges Carpentier
(1920?1922)
- Battling Siki
(1922?1923)
- Mike McTigue
(1923)
- Tommy Loughran
(1923)
- Mike McTigue
(1923?1925)
- Paul Berlenbach
(1925?1926)
- Jack Delaney
(1926?1927)
- Jimmy Slattery
(1927, NBA)
- Tommy Loughran
(1927?1929)
- Maxie Rosenbloom
(1930?1934)
- Bob Olin
(1934?1935)
- John Henry Lewis
(1935?1939)
- Billy Conn
(1939?1940)
- Anton Christoforidis
(1941, NBA)
- Gus Lesnevich
(1941, NBA)
- Gus Lesnevich
(1941?1948)
- Freddie Mills
(1948?1950)
- Joey Maxim
(1950?1952)
- Archie Moore
(1952?1961)
- Harold Johnson
(1961?1962, NBA)
- Harold Johnson
(1962?1963)
- Willie Pastrano
(1963?1965)
- Jose Torres
(1965?1966)
- Dick Tiger
(1966?1968)
- Bob Foster
(1968?1970)
- Bob Foster
(1970?1972, WBC)
- Vicente Rondon
(1971?1972, WBA)
- Bob Foster
(1972?1974)
- John Conteh
(1974?1977, WBC)
- Victor Galindez
(1974?1978, WBA)
- Miguel Angel Cuello
(1977?1978, WBC)
- Mate Parlov
(1978, WBC)
- Mike Rossman
(1978?1979, WBA)
- Marvin Johnson
(1978?1979, WBC)
- Victor Galindez
(1979, WBA)
- Matthew Saad Muhammad
(1979?1981, WBC)
- Marvin Johnson
(1979?1980, WBA)
- Eddie Mustafa Muhammad
(1980?1981, WBA)
- Michael Spinks
(1981?1983, WBA)
- Dwight Muhammad Qawi
(1981?1983, WBC)
- Michael Spinks
(1983?1984, WBA i WBC)
- Michael Spinks
(1984?1985, WBA, WBC i IBF)
- J.B. Williamson
(1985?1986, WBC)
- Slobodan Ka?ar
(1985?1986, IBF)
- Marvin Johnson
(1986?1987, WBA)
- Dennis Andries
(1986?1987, WBC)
- Bobby Czyz
(1986?1987, IBF)
- Thomas Hearns
(1987, WBC)
- Leslie Stewart
(1987, WBA)
- Virgil Hill
(1987?1991, WBA)
- Charles Williams
(1987?1993, IBF)
- Donny Lalonde
(1987?1988, WBC)
- Sugar Ray Leonard
(1988, WBC)
- Michael Moorer
(1988?1991, WBO)
- Dennis Andries
(1989, WBC)
- Jeff Harding
(1989?1990, WBC)
- Dennis Andries
(1990?1991, WBC)
- Leeonzer Barber
(1991?1994, WBO)
- Thomas Hearns
(1991?1992, WBA)
- Jeff Harding
(1991?1994, WBC)
- Iran Barkley
(1992, WBA)
- Virgil Hill
(1992?1996, WBA)
- Henry Maske
(1993?1996, IBF)
- Mike McCallum
(1994?1995, WBC)
- Dariusz Michalczewski
(1994?1997, WBO)
- Fabrice Tiozzo
(1995?1996, WBC)
- Roy Jones Jr.
(1996?1997, WBC)
- Virgil Hill
(1996?1997, WBA & IBF)
- Montell Griffin
(1997, WBC)
- Dariusz Michalczewski
(1997, WBA, IBF i WBO)
- Dariusz Michalczewski
(1997?2003, WBO)
- William Guthrie
(1997?1998, IBF)
- Roy Jones Jr.
(1997?1998, WBC)
- Lou Del Valle
(1997?1998, WBA)
- Reggie Johnson
(1998?1999, IBF)
- Roy Jones Jr.
(1998?1999, WBA i WBC)
- Roy Jones Jr.
(1999?2002, WBA(SC), WBC i IBF)
- Bruno Girard
(2001?2003, WBA)
- Roy Jones Jr.
(2002?2003, WBA (SC))
- Mehdi Sahnoune
(2003, WBA)
- Antonio Tarver
(2003, WBC i IBF)
- Silvio Branco
(2003?2004, WBA)
- Julio Cesar Gonzalez
(2003?2004, WBO)
- Roy Jones Jr.
(2003?2004, WBA (SC) i WBC)
- Zsolt Erdei
(2004?2009, WBO)
- Glen Johnson
(2004, IBF)
- Fabrice Tiozzo
(2004?2006, WBA (RC))
- Antonio Tarver
(2004, WBA (SC) i WBC)
- Clinton Woods
(2005?2008, IBF)
- Tomasz Adamek
(2005?2007, WBC)
- Silvio Branco
(2006?2007, WBA)
- Chad Dawson
(2007?2008, WBC)
- Stipe Drvi?
(2007, WBA)
- Danny Green
(2007?2008, WBA)
- Antonio Tarver
(2008, IBF)
- Hugo Garay
(2008?2009, WBA)
- Adrian Diaconu
(2008?2009, WBC)
- Chad Dawson
(2008?2009, IBF)
- Jean Pascal
(2009?2011, WBC)
- Gabriel Campillo
(2009?2010, WBA)
- Tavoris Cloud
(2009?2013, IBF)
- Jurgen Brahmer
(2009?2011, WBO)
- Bejbut Szumenow
(2010?2014, WBA)
- Nathan Cleverly
(2011?2013, WBO)
- Bernard Hopkins
(2011?2012, WBC)
- Chad Dawson
(2012?2013, WBC)
- Bernard Hopkins
(2013?2014, IBF)
- Adonis Stevenson
(od 2013, WBC)
- Siergiej Kowalow
(2013?2014, WBO)
- Bernard Hopkins
(2014, WBA Super i IBF)
- Siergiej Kowalow
(od 2014, WBA Super, IBF i WBO)
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