Ring Magazine Lineal Champions

Here's a division by division list of the lineal champions as recognised by the ring magazine, you will notice that during the 90's they did not recognise anyone as the lineal champion

Heavyweights
Cruiserweights
Light Heavyweights
Super Middleweights
Middleweights
Light Middleweights
Welterweights
Light Welterweights
Lightweights

Heavyweights

Jack Dempsey (1922-1926)
Gene Tunney (1926-1928, Retired)
Max Schmeling (defeated Jack Sharkey) (1930-1932)
Jack Sharkey (1932-1933)
Primo Carnera (1933-1934)
Max Baer (1934-1935)
James J. Braddock (1935-1937)
Joe Louis (1937-1950)
Ezzard Charles (1950-1951)
Jersey Joe Walcott (1951-1952)
Rocky Marciano (1952-1956, Retired)
Floyd Patterson (defeated Archie Moore) (1956-1959)
Ingemar Johansson (1959-1960)
Floyd Patterson (1960-1962)
Sonny Liston (1962-1964)
Muhammad Ali (1964-1971)
Joe Frazier (1971-1973)
George Foreman (1973-1974)
Muhammad Ali (1974-1978)
Leon Spinks (1978-1978)
Muhammad Ali (1978-1980)
Larry Holmes (1980-1985)
Michael Spinks (1985-1988)
Mike Tyson (1988-1990)
James Douglas (1990-1990)
Evander Holyfield (1990-1990) (discontinued championship)
Lennox Lewis (2002-2004, Retired)
Vitali Klitschko (defeated Corrie Sanders) (2004-2005, Retired)
Wladimir Klitschko (defeated Ruslan Chagaev) (2009–present)

Cruiserweights

Carlos De León (Awarded title by Ring) (1984-1985)
Alfonzo Ratliff (1985-1985)
Bernard Benton (1985-1986)
Carlos De León (1986-1987) (Ring stopped recognizing weight class)
Jean-Marc Mormeck (Defeated Wayne Braithwaite) (2005-2006)
O'Neil Bell (2006-2007)
Jean-Marc Mormeck (2007-2007)
David Haye (2007-2008) (Moved up to Heavyweight)
Tomasz Adamek (Defeated Steve Cunningham) (2008-2010) (Moved up to Heavyweight)

Light Heavyweights

Maxie Rosenbloom (1930-1934)
Bob Olin (1934-1935)
John Henry Lewis (1935-1939, retired)
Billy Conn (beat Melio Bettina) (1939-1941) (moved up to Heavyweight)
Gus Lesnevich (beat Tami Mauriello) (1941-1948)
Freddie Mills (1948-1950)
Joey Maxim (1950-1952)
Archie Moore (1952-1962) (moved up to Heavyweight)
Harold Johnson (beat Doug Jones) (1962-1963)
Willie Pastrano (1963-1965)
José Torres (1965-1966)
Dick Tiger (1966-1968)
Bob Foster (1968-1974, retired)
Víctor Galíndez (1979-1979) (lost to Marvin Johnson)
Matthew Saad Muhammad (awarded title by Ring) (1979-1981)
Dwight Muhammad Qawi (1981-1983)
Michael Spinks (1983-1985) (won heavyweight title)
Roy Jones Jr. (2001-2004)
Antonio Tarver (2004-2004)
Glen Johnson (2004-2005)
Antonio Tarver (2005-2006)
Bernard Hopkins (2006-2008)
Joe Calzaghe (2008-2009, retired)
Jean Pascal (Defeated Chad Dawson) (2010-2011)
Bernard Hopkins (2011 - present)[b][u]

Super Middleweights

Joe Calzaghe (defeated Jeff Lacy) (2006-2008, won light heavyweight title)

Middleweights

Marcel Thil (1933-1937)
Freddie Steele (1937)
Tony Zale (1941-1947)
Rocky Graziano (1947-1948)
Tony Zale (1948-1948)
Marcel Cerdan (1948-1949)
Jake LaMotta (1949-1951)
Sugar Ray Robinson (1951-1951)
Randy Turpin (1951-1951)
Sugar Ray Robinson (1951-1952, retired)
Carl Olson (beat Randy Turpin) (1953-1955)
Sugar Ray Robinson (1955-1957)
Gene Fullmer (1957-1957)
Sugar Ray Robinson (1957-1960)
Paul Pender (1960-1961)
Terry Downes (1961-1962)
Paul Pender (1962-1963, retired)
Dick Tiger (1963-1963)
Joey Giardello (1963-1965)
Dick Tiger (1965-1966)
Emile Griffith (1966-1967)
Nino Benvenuti (1967-1967)
Emile Griffith (1967-1968)
Nino Benvenuti (1968-1970)
Carlos Monzón (1970-1977, retired)
Rodrigo Valdez (beat Bennie Briscoe) (1977-1978)
Hugo Corro (1978-1979)
Vito Antuofermo (1979-1980)
Alan Minter (1980-1980)
Marvelous Marvin Hagler (1980-1987)
Sugar Ray Leonard (1987- retired)
Sumbu Kalambay (Awarded title by Ring) (1988-1989, ring ceased publication for 7 months)
Bernard Hopkins (2001-2005)
Jermain Taylor (2005-2007)
Kelly Pavlik (2007–2010)
Sergio Gabriel Martínez (2010 – present)

Light Middleweights

Oscar Albarado (1974-1975)
Koichi Wajima (1975-1975)
Jae-Doo Yuh (1975-1976)
Koichi Wajima (1976-1976)
Jose Manuel Durán (1976-1976)
Miguel Angel Castellini (1976-1977)
Eddie Gazo (1977-1978)
Masashi Kudo (1978-1979)
Ayub Kalule (1979-1981)
Sugar Ray Leonard (1981-1982)
Thomas Hearns (1983-1986)
Oscar De La Hoya (beat Fernando Vargas) (2002-2003)
Sugar Shane Mosley (2003-2004)
Winky Wright (2004-2005, vacated)

Welterweights

Jimmy McLarnin (1933, retired)
Barney Ross (1937-1938)
Henry Armstrong (1938-1940)
Fritzie Zivic (1940)
Freddie Cochrane (1941-1946)
Marty Servo (1946)
Sugar Ray Robinson (1946-1951, vacated)
Kid Gavilan (beat Billy Graham) (1951-1954)
Johnny Saxton (1954-1955)
Tony DeMarco (1955-1955)
Carmen Basilio (1955-1956)
Johnny Saxton (1956-1956)
Carmen Basilio (1956-1957, vacated)
Don Jordan (1959)
Emile Griffith (1961-1961)
Benny Paret (1961-1962)
Emile Griffith (1962-1963)
Luis Manuel Rodríguez (1963-1963)
Emile Griffith (1963-1966, vacated)
Curtis Cokes (1967-1969)
José Nápoles (1969-1970)
Billy Backus (1970-1971)
José Nápoles (1971-1975)
John Stracey (1975-1976)
Carlos Palomino (1976-1979)
Wilfred Benítez (1979-1979)
Sugar Ray Leonard (1979-1980)
Roberto Durán (1980-1980)
Sugar Ray Leonard (1980-1982, retired)
Donald Curry (defeated Milton McCrory) (1985-1986)
Lloyd Honeyghan (1986-1987)
Jorge Vaca (1987-1988)
Lloyd Honeyghan (1988-1989)
Marlon Starling (1989-1989, ring ceased publication for 7 months)
Vernon Forrest (beat Shane Mosley) (2002-2003)
Ricardo Mayorga (2003-2003)
Cory Spinks (2003-2005)
Zab Judah (2005-2006)
Carlos Manuel Baldomir (2006-2006)
Floyd Mayweather Jr. (2006-2008, retired)

Light Welterweights

Duilio Loi (1962-1963, retired)
Eddie Perkins (1963-1965)
Carlos Hernández (1965-1966)
Sandro Lopopolo April 29, (1966-1967)
Takeshi Fuji (1967-1968)
Nicolino Locche (1968, vacated)
Antonio Cervantes (1972-1976)
Wilfred Benítez (1976-1979, won welterweight title)
Antonio Cervantes (1979-1980)
Aaron Pryor (1980-1983, retired)
Kostya Tszyu (beat Zab Judah) (2001-2005)
Ricky Hatton (2005-2009)
Manny Pacquiao (2009-2010, vacated)

Lightweights

Barney Ross (1933)
Tony Canzoneri (1935)
Lou Ambers (1936-1938)
Henry Armstrong (1938-1939)
Lou Ambers (1939)
Lew Jenkins (1940-1941)
Sammy Angott (1941)
Ike Williams (1947-1951)
Jimmy Carter (1951-1952)
Lauro Salas (1952-1952)
Jimmy Carter (1952-1954)
Paddy DeMarco (1954-1954)
Jimmy Carter (1954-1955)
Wallace (Bud) Smith (1955-1956)
Joe Brown (1956-1962)
Carlos Ortiz (1962-1965)
Ismael Laguna (1965-1965)
Carlos Ortiz (1965)
Mando Ramos (1969)
Ken Buchanan (1970-1972)
Roberto Durán (1972-1979 ,moved up to Welterweight)
Jim Watt (Awarded title by Ring) (1981-1981)
Alexis Argüello (1981-1983, moved up to Junior Welterweight)
Julio César Chávez (beat José Luis Ramírez) (1988-1989, vacated title)
Pernell Whitaker (beat Juan Nazario) (1990-1992, moved up to Junior Welterweight)
Floyd Mayweather Jr. (beat José Luis Castillo) (2002-2004, moved up to Junior Welterweight)
José Luis Castillo (beat Juan Lazcano) (2004-2005)
Diego Corrales (2005-2006)
Joel Casamayor (2006-2008)
Juan Manuel Márquez (2008–present)