| 1886 |
| Oct. 29 | Jack McAuliffe | KO 21 | Billy Frazier | Boston | |
| | McAuliffe was considered the American champion | |
| 1896 |
| May 1 | Kid Lavigne | KO 17 | Dick Burge | London | |
| | Lavigne won the vacant world championship with this victory | |
| 1899 |
| Jul. 3 | Frank Erne | W 20 | Kid Lavigne | Buffalo | |
| 1902 |
| May 12 | Joe Gans | KO 1 | Frank Erne | Fort Erie, ONT | |
| 1908 |
| Jul. 4 | Battling Nelson | KO 17 | Joe Gans | Colma, CA | |
| 1910 |
| Feb. 22 | Ad Wolgast | KO 40 | Battling Nelson | Richmond, CA | |
| 1912 |
| Nov. 28 | Willie Ritchie | W Disq. 16 | Ad Wolgast | Colma, CA | |
| 1914 |
| Jul. 7 | Freddie Welsh | W 20 | Willie Ritchie | London | |
| 1917 |
| May 28 | Benny Leonard | KO 9 | Freddie Welsh | New York City | |
| 1925 |
| | Leonard retired on Jan. 15; Goodrich and Loayza fought for the vacant title | |
| Jul. 13 | Jimmy Goodrich | KO 2 | Stanislaus Loayza | Long Island City | |
| Dec. 7 | Rocky Kansas | W 15 | Jimmy Goodrich | Buffalo | |
| 1926 |
| Jul. 3 | Sammy Mandell | W 10 | Rocky Kansas | Chicago | |
| 1930 |
| Jul. 17 | Al Singer | KO 1 | Sammy Mandell | Bronx, NY | |
| Nov. 14 | Tony Canzoneri | KO 1 | Al Singer | New York City | |
| 1933 |
| May 23 | Barney Ross | W 10 | Tony Canzoneri | Chicago | |
| 1935 |
| | Ross outgrew the class and a tournament was held to determine the new champion | |
| May 10 | Tony Canzoneri | W 15 | Lou Ambers | New York City | |
| | This was the final match of the tournament | |
| 1936 |
| Sep. 3 | Lou Ambers | W 15 | Tony Canzoneri | New York City | |
| 1938 |
| Aug. 17 | Henry Armstrong | W 15 | Lou Ambers | New York City | |
| 1939 |
| Aug. 22 | Lou Ambers | W 15 | Henry Armstrong | Bronx, NY | |
| 1940 |
| May 3 | Sammy Angott | W 15 | Davey Day | Louisville | NBA |
| May 10 | Lew Jenkins | KO 3 | Lou Ambers | New York City | |
| 1941 |
| Dec. 19 | Sammy Angott | W 15 | Lew Jenkins | New York City | |
| 1942 |
| | Angott announced his retirement on Nov. 13 | |
| Dec. 18 | Beau Jack | KO 3 | Tippy Larkin | New York City, NY | |
| | The New York Boxing Commission declared Beau Jack the new champion | |
| 1943 |
| May 21 | Bob Montgomery | W 15 | Beau Jack | New York City | |
| Oct. 27 | Sammy Angott | W 15 | Slugger White | Los Angeles | NBA |
| | After coming out of retirement and winning this fight, Angott was declared NBA champion | |
| Nov. 19 | Beau Jack | W 15 | Bob Montgomery | New York City | |
| 1944 |
| Mar. 3 | Bob Montgomery | W 15 | Beau Jack | New York City | |
| Mar. 8 | Juan Zurita | W 15 | Sammy Angott | Hollywood, CA | NBA |
| 1945 |
| Apr. 18 | Ike Williams | KO 2 | Juan Zurita | Mexico City | NBA |
| 1947 |
| Aug. 4 | Ike Williams | KO 6 | Bob Montgomery | Philadelphia | Unified |
| 1951 |
| May 25 | Jimmy Carter | KO 14 | Ike Williams | New York City | |
| 1952 |
| May 14 | Lauro Salas | W 15 | Jimmy Carter | Los Angeles | |
| Oct. 15 | Jimmy Carter | W 15 | Lauro Salas | Chicago | |
| 1954 |
| Mar. 5 | Paddy DeMarco | W 15 | Jimmy Carter | New York City | |
| Nov. 17 | Jimmy Carter | KO 15 | Paddy DeMarco | San Francisco | |
| 1955 |
| May 29 | Bud Smith | W 15 | Jimmy Carter | Boston | |
| 1956 |
| Aug. 24 | Joe Brown | W 15 | Bud Smith | New Orleans | |
| 1962 |
| Apr 21 | Carlos Ortiz | UD 15 | Joe Brown | Las Vegas, Nevada | WBA |
| 1963 |
| Apr 7 | Carlos Ortiz | TKO 13 | Douglas Vaillant | San Juan, Puerto Rico | WBC |
| 1965 |
| Apr 10 | Ismael Laguna | MD 15 | Carlos Ortiz | Panama City, Panama | WBA, WBC |
| Nov 13 | Carlos Ortiz | UD 15 | Ismael Laguna | San Juan, Puerto Rico | WBA, WBC |
| 1968 |
| Jun 29 | Carlos Teo Cruz | SD 15 | Carlos Ortiz | Santo Domingo, Dominican Rep. | WBA, WBC |
| 1969 |
| Feb 18 | Mando Ramos | TKO 11 | Carlos Teo Cruz | Los Angeles, California | WBA, WBC |
| 1970 |
| Mar 3 | Ismael Laguna | TKO 9 | Mando Ramos | Los Angeles, California | WBA, WBC |
| Sep 26 | Ken Buchanan | SD 15 | Ismael Laguna | San Juan, Puerto Rico | WBA |
| 1971 |
| | Ismael Laguna was stripped of the WBC title; Buchanan and Navarro fought for the vacant title | |
| Feb 12 | Ken Buchanan | UD 15 | Ruben Navarro | Los Angeles, California | WBC |
| | Ken Buchanan was stripped of the WBC title; Carrasco and Ramos fought for the vacant title | |
| Nov 5 | Pedro Carrasco | DQ 12 | Mando Ramos | Madrid, Spain | WBC |
| 1972 |
| Feb 18 | Mando Ramos | SD 15 | Pedro Carrasco | Los Angeles, California | WBC |
| Nov 10 | Rodolfo Gonzalez | TKO 13 | Chango Carmona | Los Angeles, California | WBC |
| Jun 26 | Roberto Duran | TKO 13 | Ken Buchanan | New York, New York | WBA |
| Sep 15 | Chango Carmona | TKO 8 | Mando Ramos | Los Angeles, California | WBC |
| 1974 |
| Apr 11 | Guts Ishimatsu | KO 8 | Rodolfo Gonzalez | Tokyo, Japan | WBC |
| 1976 |
| May 8 | Esteban De Jesus | UD 15 | Guts Ishimatsu | Bayamon, Puerto Rico | WBC |
| 1978 |
| Jan 21 | Roberto Duran | TKO 12 | Esteban De Jesus | Las Vegas, Nevada | WBC |
| 1979 |
| | Roberto Duran vacated the WBA and WBC titles; the following two matches were for the vacant titles | |
| Apr 17 | Jim Watt | TKO 12 | Alfredo Pitalua | Glasgow, Scotland | WBC |
| Jun 16 | Ernesto Espana | KO 13 | Claude Noel | Hato Rey, Puerto Rico | WBA |
| 1980 |
| Mar 2 | Hilmer Kenty | TKO 9 | Ernesto Espana | Detroit, Michigan | WBA |
| 1981 |
| Apr 12 | Sean O'Grady | UD 15 | Hilmer Kenty | Atlantic City, New Jersey | WBA |
| Jun 20 | Alexis Arguello | UD 15 | Jim Watt | London, England | WBC |
| | Sean O'Grady vacated the WBA title; Noel and Gonzalez fough for the vacant title | |
| Sep 12 | Claude Noel | UD 15 | Rodolfo Gonzalez | Atlantic City, New Jersey | WBA |
| Dec 5 | Arturo Frias | KO 8 | Claude Noel | Las Vegas, Nevada | WBA |
| 1982 |
| May 8 | Ray Mancini | TKO 1 | Arturo Frias | Las Vegas, Nevada | WBA |
| 1983 |
| | Alexis Arguello vacated theWBC title; Rosario and Ramirez fought for the vacant title | |
| May 1 | Edwin Rosario | UD 12 | Jose Luis Ramirez | San Juan, Puerto Rico | WBC |
| 1984 |
| Nov 3 | Jose Luis Ramirez | TKO 4 | Edwin Rosario | San Juan, Puerto Rico | WBC |
| Jan 30 | Charlie Brown | SD 15 | Melvin Paul | Atlantic City, New Jersey | IBF |
| Apr 15 | Harry Arroyo | TKO 14 | Charlie Brown | Atlantic City, New Jersey | IBF |
| Jun 1 | Livingstone Bramble | TKO 14 | Ray Mancini | Buffalo, New York | WBA |
| 1985 |
| Apr 6 | Jimmy Paul | UD 15 | Harry Arroyo | Atlantic City, New Jersey | IBF |
| Aug 10 | Hector Camacho | UD 12 | Jose Luis Ramirez | Las Vegas, Nevada | WBC |
| 1986 |
| Sep 26 | Edwin Rosario | KO 2 | Livingstone Bramble | Miami Beach, Florida | WBA |
| Dec 5 | Greg Haugen | MD 15 | Jimmy Paul | Las Vegas, Nevada | IBF |
| 1987 |
| Jun 7 | Vinny Pazienza | UD 15 | Greg Haugen | Providence, Rhode Island | IBF |
| | Hector Camacho vacated the WBC title; Ramirez and Alli fought for the vacant title | |
| Jul 19 | Jose Luis Ramirez | UD 12 | Terrence Alli | Saint-Tropez, France | WBC |
| Nov 21 | Julio Cesar Chavez | TKO 11 | Edwin Rosario | Las Vegas, Nevada | WBA |
| 1988 |
| Feb 6 | Greg Haugen | UD 15 | Vinny Pazienza | Atlantic City, New Jersey | IBF |
| Oct 29 | Julio Cesar Chavez | TD 11 | Jose Luis Ramirez | Las Vegas, Nevada | WBC |
| 1989 |
| Jan 20 | Mauricio Aceves | PTS 12 | Amancio Castro | Monteria, Colombia | WBO |
| Feb 18 | Pernell Whitaker | UD 12 | Greg Haugen | Hampton, Virginia | IBF |
| | Julio Cesar Chavez vacated the WBA and WBC titles; the next two fights were for the vacant titles | |
| Jul 9 | Edwin Rosario | TKO 6 | Anthony Jones | Atlantic City, New Jersey | WBA |
| Aug 20 | Pernell Whitaker | UD 12 | Jose Luis Ramirez | Norfolk, Virginia | WBC |
| 1990 |
| Apr 4 | Juan Nazario | TKO 8 | Edwin Rosario | New York, New York | WBA |
| Aug 11 | Pernell Whitaker | KO 1 | Juan Nazario | Stateline, Nevada | WBA |
| Sep 22 | Dingaan Thobela | SD 12 | Mauricio Aceves | Brownsville, Texas | WBO |
| 1992 |
| | Pernell Whitaker vacated the IBF, WBA and WBC titles; the next three fights were for the vacant titles | |
| Jun 13 | Joey Gamache | TKO 9 | Chil-Sung Chun | Portland, Maine | WBA |
| Aug 24 | Miguel Angel Gonzalez | TKO 9 | Wilfrido Rocha | Mexico City, Mexico | WBC |
| Aug 29 | Freddie Pendleton | TD 2 | Tracy Spann | Reno, Nevada | IBF |
| | Dingaan Thobela vacated the WBO title; Parisi and Altamirano fought for the vacant title | |
| Sep 25 | Giovanni Parisi | TKO 10 | Javier Altamirano | Voghera, Italy | WBO |
| Oct 24 | Tony Lopez | TKO 11 | Joey Gamache | Portland, Maine | WBA |
| 1993 |
| Jun 26 | Dingaan Thobela | UD 12 | Tony Lopez | Sun City, North-West, South Africa | WBA |
| Oct 30 | Orzubek Nazarov | UD 12 | Dingaan Thobela | Johannesburg, Gauteng, South Africa | WBA |
| 1994 |
| Feb 19 | Rafael Ruelas | UD 12 | Freddie Pendleton | Inglewood, California | IBF |
| | Giovanni Parisi vacated the WBO title; De La Hoya and Paez fought for the vacant title | |
| Jul 29 | Oscar De La Hoya | KO 2 | Jorge Paez | Las Vegas, Nevada | WBO |
| 1995 |
| May 6 | Oscar De La Hoya | TKO 2 | Rafael Ruelas | Las Vegas, Nevada | IBF |
| | Oscar De La Hoya vacated the IBF and WBO titles; the next two fights were for the vacant titles | |
| Aug 19 | Philip Holiday | TKO 10 | Miguel Julio | Sun City, South Africa | IBF |
| 1996 |
| Apr 13 | Artur Grigorian | KO 12 | Antonio Rivera | Wandsbek, Hamburg, Germany | WBO |
| | Miguel Angel Gonzalez vacated the WBC title; Mendy and Murphy fought for the vacant title | |
| Apr 20 | Jean-Baptiste Mendy | UD 12 | Lamar Murphy | Levallois-Perret, France | WBC |
| 1997 |
| Mar 1 | Stevie Johnston | SD 12 | Jean-Baptiste Mendy | Paris, France | WBC |
| Aug 2 | Shane Mosley | UD 12 | Philip Holiday | Uncasville, Connecticut | IBF |
| 1998 |
| May 16 | Jean-Baptiste Mendy | UD 12 | Orzubek Nazarov | Paris, Paris, France | WBA |
| Jun 13 | Cesar Bazan | SD 12 | Stevie Johnston | El Paso, Texas | WBC |
| 1999 |
| Feb 27 | Stevie Johnston | SD 12 | Cesar Bazan | Miami, Florida | WBC |
| Apr 10 | Julien Lorcy | TKO 6 | Jean-Baptiste Mendy | Bercy, France | WBA |
| Aug 7 | Stefano Zoff | SD 12 | Julien Lorcy | Le Cannet, Alpes-Maritimes, France | WBA |
| | Shane Mosley vacated the IBF title; Spadafora and Cardona fought for the vacant title | |
| Aug 20 | Paul Spadafora | UD 12 | Israel Cardona | Chester, West Virginia | IBF |
| Nov 13 | Gilberto Serrano | TKO 10 | Stefano Zoff | Las Vegas, Nevada | WBA |
| 2000 |
| Jun 11 | Takanori Hatakeyama | TKO 8 | Gilberto Serrano | Tokyo, Japan | WBA |
| Jun 17 | Jose Luis Castillo | MD 12 | Stevie Johnston | Bell Gardens, California | WBC |
| 2001 |
| Jul 1 | Julien Lorcy | UD 12 | Takanori Hatakeyama | Saitama, Japan | WBA |
| Oct 8 | Raul Horacio Balbi | MD 12 | Julien Lorcy | Paris, Paris, France | WBA |
| 2002 |
| Jan 5 | Leonard Dorin | SD 12 | Raul Horacio Balbi | San Antonio, Texas | WBA |
| Apr 20 | Floyd Mayweather Jr. | UD 12 | Jose Luis Castillo | Las Vegas, Nevada | WBC |
| 2003 |
| | Paul Spadafora vacated the IBF title; Jauregui and Johnson fought for the vacant title | |
| Nov 22 | Javier Jauregui | TKO 11 | Leavander Johnson | Los Angeles, California | IBF |
| 2004 |
| Jan 3 | Acelino Freitas | UD 12 | Artur Grigorian | Mashantucket, Connecticut | WBO |
| | Leonard Dorin was stripped of the WBA title; Sim and Callist fought for the vacant title | |
| Apr 10 | Lakva Sim | TKO 5 | Miguel Callist | Las Vegas, Nevada | WBA |
| May 13 | Julio Diaz | MD 12 | Javier Jauregui | San Diego, California | IBF |
| | Floyd Mayweather Jr. vacated the WBC title; Castillo and Lazcano fought for the vacant title | |
| Jun 5 | Jose Luis Castillo | UD 12 | Juan Lazcano | Las Vegas, Nevada | WBC |
| Jul 17 | Juan Diaz | UD 12 | Lakva Sim | Houston, Texas | WBA |
| Aug 7 | Diego Corrales | TKO 10 | Acelino Freitas | Mashantucket, Connecticut | WBO |
| 2005 |
| May 7 | Diego Corrales | TKO 10 | Jose Luis Castillo | Las Vegas, Nevada | WBC |
| | | |
| | Julio Diaz vacated the IBF title; Johnson and Zoff fought for the vacant title | |
| Jun 17 | Leavander Johnson | TKO 7 | Stefano Zoff | Milan, Italy | IBF |
| Sep 17 | Jesus Chavez | TKO 11 | Leavander Johnson | Las Vegas, Nevada | IBF |
| 2006 |
| | Diego Corrales vacated the WBO title; Freitas and Raheem fought for the vacant title | |
| Apr 29 | Acelino Freitas | SD 12 | Zahir Raheem | Mashantucket, Connecticut | WBO |
| Oct 7 | Joel Casamayor | SD 12 | Diego Corrales | Las Vegas, Nevada | WBC |
| 2007 |
| Feb 3 | Julio Diaz | KO 3 | Jesus Chavez | Kissimmee, Florida | IBF |
| Apr 28 | Juan Diaz | RTD 8 | Acelino Freitas | Mashantucket, Connecticut | WBO |
| | Joel Casamayor vacated the WBC title; Diaz and Morales fought for the vacant title | |
| Aug 4 | David Diaz | UD 12 | Erik Morales | Rosemont, Illinois | WBC |
| Oct 13 | Juan Diaz | TKO 9 | Julio Diaz | Hoffman Estates, Illinois | IBF |
| 2008 |
| Mar 8 | Nate Campbell | SD 12 | Juan Diaz | Cancun, Mexico | IBF, WBA, WBO |
| | Nate Campbell was stripped of the WBO title; Casamayor and Katsidis fought for the vacant title | |
| Mar 22 | Joel Casamayor | TKO 10 | Michael Katsidis | Cabazon, California | WBO |
| Jun 28 | Manny Pacquiao | KO 9 | David Diaz | Las Vegas, Nevada | WBC |
| 2009 |
| | Nate Campbell vacated the WBA and WBO titles; Marquez and Diaz fought for the vacant titles | |
| Feb 28 | Juan Manuel Marquez | TKO 9 | Juan Diaz | Houston, Texas | WBA, WBO |
| | Manny Pacquiao vacated the WBC title; Valero and Pitalua fought for the vacant title | |
| Apr 4 | Edwin Valero | TKO 2 | Antonio Pitalua | Austin, Texas | WBC |
| 2010 |
| | Edwin Valero vacated the WBC title; Soto and Diaz fought for the vacant title | |
| Mar 13 | Humberto Soto | UD 12 | David Diaz | Arlington, Texas | WBC |
| | Nate Campbell vacated the IBF title; Vazquez and Kim fought for the vacant title | |
| Aug 14 | Miguel Vazquez | UD 12 | Ji Hoon Kim | Laredo, Texas | IBF |