Spinks Was still The Ring Magazine Champ..

Heavyweight

• John L. Sullivan (1885-1892)
• James J. Corbett (1892-1897)
• Bob Fitzsimmons (1897-1899)
• James J. Jeffries (1899-1905), retired
• Marvin Hart (1905-1906)
• Tommy Burns (1906-1908)
• Jack Johnson (1908-1915)
• Jess Willard (1915-1919)
• Jack Dempsey (1919-1926)
• Gene Tunney (1926-1928), retired
• Max Schmeling (1930-1932)
• Jack Sharkey (1932-1933)
• Primo Carnera (1933-1934)
• Max Baer (1934-1935)
• James J. Braddock (1935-1937)
• Joe Louis (1937-1949, retired)
• Ezzard Charles (1949-1951)
• Jersey Joe Walcott (1951-1952)
• Rocky Marciano (1952-1956, retired)
• Floyd Patterson (1956-1959)
• Ingemar Johansson (1959-1960)
• Floyd Patterson (1960-1962)
• Sonny Liston (1962-1964)
• Cassius Clay/Muhammad Ali (1964-1970, boxing licence suspended)
• Joe Frazier (1970-1973)
• George Foreman (1973-1974)
• Muhammad Ali (1974-1978)
• Leon Spinks (1978)
• Muhammad Ali (1978-1979), retires 6/79
• Larry Holmes (1980-1985)
• Michael Spinks (1985-1988)
• Mike Tyson (1988-1990)
• James "Buster" Douglas (1990)
• Evander Holyfield (1990-1992)
• Riddick Bowe (1992-1993)
• Evander Holyfield (1993-1994)
• Michael Moorer (1994)
• George Foreman (1994-1997)
• Shannon Briggs (1997-1998)
• Lennox Lewis (1998-2001)
• Hasim Rahman (2001)
• Lennox Lewis (2001-2004), retired
• Wladimir Klitschko (2009-2015), from his win over Chagaev
• Tyson Fury (2015–present)

 

Berbick, Witherspoon and Spinks were all champions at that time.

 

If everyone is a champion then no one is.