Welterweight World/Lineal Champions (147lbs)

Jack Britton (7/2/1921 – 1/11/1922)

Britton was seen as the undisputed champion at 147lbs, having finally put paid to Ted Kid Lewis 
Mickey Walker (1/11/1922 – 20/5/1926)
Pete Latzo (20/5/1926 – 3/6/1927)
Joe Dundee (3/6/1927 – 25/7/1929)
Jackie Fields (25/7/1929 – 9/5/1930)
Young Jack Thompson (9/5/1930 – 5/9/1930)
Tommy Freeman (5/9/1930 – 14/4/1931)
Young Jack Thompson (14/4/1931 – 23/10/1931)
Lou Brouillard (23/10/1931 – 28/1/1932)
Jackie Fields (28/1/1932 – 22/2/1933)
Young Corbett 111 (22/2/1933 – 29/5/1933)
Jimmy McLarnin (29/5/1933 – 28/5/1934)
Barney Ross (28/5/1934 – 17/9/1934)
Jimmy McLarnin (17/9/1934 – 28/5/1935)
Barney Ross (28/5/1935 – 31/5/1938)
Henry Armstrong (31/5/1938 – 4/10/1940)
Fritzie Zivic (4/10/1940 – 29/7/1941)
Freddie Cochrane (29/7/1941 – 1/2/1946)
Marty Servo (1/2/1946 – 25/9/1946)

Servo retired
Sugar Ray Robinson (20/12/1946 – 14/3/1951)

Robinson became the undisputed champion on beating Tommy Bell
Robinson moved up to middleweight
Kid Gavilan (18/5/1951 – 20/10/1954)

Gavilan beat Johnny Bratton to unify the NBA/NY titles
Johnny Saxton (20/10/1954 – 1/4/1955)
Tony DeMarco (1/4/1955 – 10/6/1955)
Carmen Basilio (10/6/1955 – 14/3/1956)
Johnny Saxton (14/3/1956 – 12/9/1956)
Carmen Basilio (12/9/1956 – 23/9/1957)

Basilio moved up in weight
Virgil Akins (6/6/1958 – 5/12/1958)

Akins (1) beat Vince Martinez (2) 
Don Jordan (5/12/1958 – 27/5/1960)
Benny Kid Paret (27/5/1960 – 1/4/1961)
Emile Griffith (1/4/1961 – 30/9/1961)
Benny Kid Paret (30/9/1961 – 24/3/1962)
Emile Griffith (24/3/1962 – 21/3/1963)
Luis Rodriguez (21/3/1963 – 8/6/1963)
Emile Griffith (8/6/1963 – 2/8/1966)

Griffith moved up in weight
Curtis Cokes (28/11/1966 – 18/4/1969)

Cokes (1) beat Jean Josselin (2)
Jose Napoles (18/4/1969 – 3/12/1970)
Billy Backus (3/12/1970 – 4/6/1971)
Jose Napoles (4/6/1971 – 6/12/1975)
John H. Stracey (6/12/1975 – 22/6/1976)
Carlos Palomino (22/6/1976 – 14/1/1979)
Wilfred Benitez (14/1/1979 – 30/11/1979)
Sugar Ray Leonard (30/11/1979 – 20/6/1980)
Roberto Duran (20/6/1980 – 25/11/1980)
Sugar Ray Leonard (25/11/1980 – 9/11/1982)

Leonard moved up in weight
Donald Curry (5/11/1983 – 27/9/1986)

Curry unified WBA/IBF titles
Lloyd Honeghan (27/9/1986 – 28/10/1987)
Jorge Vaca (28/10/1987 – 29/3/1988)
Lloyd Honeyghan (29/3/1988 – 4/2/1989)
Marlon Starling (4/2/1989 – 19/8/1990)
Maurice Blocker (19/8/1990 – 18/3/1991)
Simon Brown (18/3/1991 – 29/11/1991)
Buddy McGirt (29/11/1991 – 6/3/1993)
Pernell Whitaker (6/3/1993 – 12/4/1997)
Oscar De La Hoya (12/4/1997 – 18/9/1999)
Felix Trinidad (18/9/1999 – 3/3/2000)

Trinidad moved up in weight
Shane Mosley (17/6/2000 – 26/1/2002)

Mosley (3) beat Oscar De La Hoya (1)  
Vernon Forrest (26/1/2002 – 25/1/2003)
Ricardo Mayorga (25/1/2003 – 13/12/2003)
Cory Spinks (13/12/2003 – 5/2/2005)
Zab Judah (5/2/2005 – 7/1/2006)
Carlos Baldomir (7/1/2006 – 4/11/2006)
Floyd Mayweather Jnr (4/11/2006 – 6/6/2008)

Mayweather temporarily retired only to come back on 19 September 2009
Antonio Margarito (26/7/2008 – 24/1/2009)

Margarito (4) beat Miguel Cotto (1)
Shane Mosley (24/1/2009 – 1/5/2010)
Floyd Mayweather Jnr (1/5/2010 – 13/9/2015)

Mayweather retired
Keith Thurman (4/3/2017 - 20/7/2019)

Thurman beat Danny Garcia to unify the WBA/WBC titles

Manny Pacquiao (20/7/2019 -

.

‚Äč