Middleweight
| Name: | Date: | Location: | Defenses: |
|---|---|---|---|
| Doug DeWitt def. Robbie Sims |
April 18, 1989 | Atlantic City, New Jersey, United States | 1 |
| Nigel Benn | April 29, 1990 | Atlantic City, New Jersey, United States | 1 |
| Chris Eubank | November 18, 1990 | Birmingham, England, United Kingdom | 3 |
| Title vacated | September 21, 1991 | Eubank vacated the title to move up to Super Middleweight. His last defense was against Michael Watson on June 22, 1991 in London, England, United Kingdom. | |
| Gerald McClellan def. John Mugabi |
November 20, 1991 | London, England, United Kingdom | 0 |
| Title vacated | February 24, 1992 | McClellan vacated the title to move up to Super Middleweight. | |
| Chris Pyatt def. Sumbu Kalambay |
May 19, 1993 | Leicester, England, United Kingdom | 2 |
| Steve Collins | May 11, 1994 | Sheffield, England, United Kingdom | 0 |
| Title vacated | March 18, 1995 | Collins vacated the title to move up to Super Middleweight. | |
| Lonnie Bradley def. David Mendez |
May 19, 1995 | Primm, Nevada, United States | 6 |
| Title vacated | 1997 | Bradley vacated title to have eye surgery to repair a detached retina. | |
| Otis Grant def. Ryan Rhodes |
December 13, 1997 | Sheffield, England, United Kingdom | 1 |
| Title vacated | November 14, 1998 | Grant vacated the title to move up to Light Heavyweight. His only defense was against Ernesto Rafael Sena on May 12, 1998 in Kanata, Ontario, Canada. | |
| Bert Schenk def. Freeman Barr |
January 30, 1999 | Cottbus, Germany | 1 |
| Title vacated | Mid-1999 | Schenk vacated title due to achilles injury. He had one successful defense was against Juan Ramon Medina on May 22, 1999 in Budapest, Hungary. | |
| Jason Matthews def. Ryan Rhodes |
July 17, 1999 | Doncaster, England, United Kingdom | 0 |
| Armand Krajnc | November 27, 1999 | Lübeck, Germany | 3 |
| Krajnc vacated the title on June 4, 2001, while in a dispute with Universum Box-Promotion; the WBO unanimously voted on September 17, 2001 that Krajnc never actually vacated and remained as WBO champion. | |||
| Harry Simon | April 6, 2002 | Copenhagen, Denmark | 0 |
| Harry Simon awarded interim title on July 21, 2001 after defeating Hacine Cherifi. At the time it was believed that Krajnc had vacated the title, however, the WBO later ruled that Krajnc remained as champion. | |||
| Title vacated | November 2002 | Title vacated after Simon sentenced to prison due to his role in fatal car crash. | |
| Hector Javier Velazco def. Andras Galfi |
May 10, 2003 | Buenos Aires, Argentina | 0 |
| Felix Sturm | September 13, 2003 | Berlin, Germany | 1 |
| Oscar De La Hoya | June 5, 2004 | Las Vegas, Nevada, United States | 0 |
| Bernard Hopkins | September 18, 2004 | Las Vegas, Nevada, United States | 1 |
| Jermain Taylor | July 16, 2005 | Las Vegas, Nevada, United States | 3 |
| Kelly Pavlik | September 29, 2007 | Atlantic City, New Jersey, United States | 3 |
| Sergio Gabriel Martínez | April 17, 2010 | Atlantic City, New Jersey, United States | 0 |
| Title stripped | May 29, 2010 | Title stripped because Martinez refused to vacate WBC Light Middleweight title. | |
| Dmitry Pirog def. Daniel Jacobs |
July 31, 2010 | Las Vegas, Nevada, United States | 3 |
Read more about this topic: List Of WBO World Champions