List of Middleweight Boxing Champions - WBO

Title inaugurated 1989-04-18 1990-04-29 Doug DeWitt WBO 1990-04-29 1990-11-18 Nigel Benn WBO 1990-11-18 1991-06-22-Vacated Chris Eubank WBO 1991-11-20 1992-Vacated Gerald McClellan WBO 1993-05-19 1994-05-11 Chris Pyatt WBO 1994-05-11 1995-03-Vacated Steve Collins WBO 1995-05-19 1997-06-28-Vacated Lonnie Bradley WBO 1997-12-13 1998-05-12-Vacated Otis Grant WBO 1999-01-30 1999-11-Stripped Bert Schenk WBO 1999-11 1999-11-27 Jason Matthews WBO 1999-11-27 2002-04-06 Armand Krajnc WBO 2002-04-06 2003-Retired Harry Simon WBO 2003-05-10 2003-09-13 Hector Javier Velazco WBO 2003-09-13 2004-06-05 Felix Sturm WBO 2004-06-05 2004-09-18 Oscar De La Hoya WBO 2004-09-18 2005-07-16 Bernard Hopkins WBO 2005-07-16 2007-09-29 Jermain Taylor WBO 2007-09-29 2010-04-17 Kelly Pavlik WBO 2010-04-17 2010-06-01-Stripped Sergio Gabriel Martínez WBO 2010-07-31 2012-08-25-Stripped Dmitry Pirog WBO 2012-08-25 2012-10-20 Hassan N'Dam N'Jikam WBO 2012-10-20 Current Peter Quillin WBO