Sonny Liston (1963–)1964) • Muhammed Ali (1964–1969) • Joe Frazier (1970–1973) • George Foreman (1973–1974) • Muhammed Ali (1974–1978) • Leon Spinks (1978–1978) • Ken Norton (1978) • Larry Holmes (1978–1983) • Tim Witherspoon (1984) • Pinklon Thomas (1984–1986) • Trevor Berbick (1986–1986) • Mike Tyson (1986–1990) • Buster Douglas (1990) • Evander Holyfield (1990–1992) • Riddick Bowe (1992) • Lennox Lewis (1992–1994) • Frank Bruno (1995–1996) • Mike Tyson (1996) • Lennox Lewis (1997–2001) • Hasim Rahman (2001) • Lennox Lewis (2001–2004) • Vitali Klitschko (2004–2005) • Hasim Rahman (2005–2006) • Oleg Maskayev (2006–2008) • Samuel Peter (2008) • Vitali Klitschko (2008–2013) • Bermane Stiverne (2014–2015) • Deontay Wilder (2015–2020) • Tyson Fury (2020–)
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